Report for 2497

Name

IIJ Internet Initiative Japan Inc., JP

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS2.0) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

2497 IIJ Internet Initiative Japan Inc., JP

  Adjacency:   296  Upstream:     4  Downstream:   292
  Upstream Adjacent AS list
    AS4637          ASN-TELSTRA-GLOBAL Telstra Global, HK
    AS2914          NTT-DATA-2914 - NTT America, Inc., US
    AS6461          ZAYO-6461 - Zayo Bandwidth, US
    AS4777          APNIC-COLO Asia Pacific Network Information Centre, JP
  Downstream Adjacent AS list
    AS10010         TOKAI TOKAI Communications Corporation, JP
    AS131958        T-NET Tama Cable Network Co.,Ltd., JP
    AS133182        RRNTL-AS-AP Running River Network Technology Limited, HK
    AS131160        WI2 Wire and Wireless Co.,Ltd., JP
    AS10003         OCT-NET Ogaki Cable Television Co.,Inc., JP
    AS152858        TWC-NET Woven by Toyota, Inc., JP
    AS17961         MITENE mitene internet co., ltd., JP
    AS18121         INCL Ishikawa Computer Center Co.,LTD., JP
    AS18081         KCN Kintetsu Cable Network Co., Ltd., JP
    AS17689         H-IX Hokuden Information Technology,Inc., JP
    AS18274         UCATV Utsunomiya Cable TV Corporation, JP
    AS23628         ACCSNET Academic newtown Community Cable Service, JP
    AS23778         CANET IMIZU CABLE NETWORK CO.,LTD., JP
    AS23820         RAKUTEN Rakuten Group, Inc., JP
    AS23816         YAHOO LY Corporation, JP
    AS24259         BC9 kanuma cable television Corporation, JP
    AS24255         T-CATV Koshinomiyako Network, Inc., JP
    AS23783         CNA Cable Networks Akita Co.,ltd., JP
    AS24284         CYBERAGENT CyberAgent, Inc., JP
    AS24572         YAHOO-JP-AS-AP Yahoo Japan, JP
    AS2515          JPNIC Japan Network Information Center, JP
    AS2907          SINET-AS Research Organization of Information and Systems, National Institute of Informatics, JP
    AS24279         CAT-V SENDAI CATV CO.,LTD., JP
    AS4694          IDCF IDC Frontier Inc., JP
    AS4718          CKP Cyber Kansai Project, JP
    AS4723          DOLPHIN Dolphin, JP
    AS7668          HTCN Hokuriku Telecommunication Network Co., JP
    AS9357          FNC NRI SecureTechnologies, Ltd., JP
    AS7676          TAM TAM Co., Ltd., JP
    AS9597          CPI-NET KDDI Web Communications Inc., JP
    AS9997          MECHA Suzuka Cable Co.,Ltd, JP
    AS9993          CTC-ODC ITOCHU Techno-Solutions Corporation, JP
    AS59125         CYBERHOME1 FAMILY NET JAPAN INCORPORATED, JP
    AS17940         CYBERLINKS CYBER LINKS Co.,Ltd., JP
    AS7690          MIRAI Mirai Communication Network Inc., JP
    AS58788         CHIRORO Chiroro-Net Co.,Ltd., JP
    AS101           WASH-NSF-AS - University of Washington, US
    AS10310         YAHOO-1 - Yahoo Holdings Inc., US
    AS10016         MINC Minaminihon Information Processing Center Co Ltd, JP
    AS11164         INTERNET2-I2PX - Internet2, US
    AS12654         RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
    AS1257          TELE2, EU
    AS12389         ROSTELECOM-AS PJSC Rostelecom. Technical Team, RU
    AS1273          CW Vodafone Group PLC, EU
    AS13150         CATON, IL
    AS131909        OKINAWA-DC OCC Co., Ltd., JP
    AS131925        CYBERHOME2 FAMILY NET JAPAN INCORPORATED, JP
    AS131921        GMOCL GMO GlobalSign Holdings K.K., JP
    AS131919        MEIJI-NET Meiji University, JP
    AS131937        JCV Joetsu Cable Vision, JP
    AS131961        DOKKYO-AS Dokkyo University, JP
    AS131964        CYBERHOME3 FAMILYNET JAPAN CORPORATION, JP
    AS131981        TAKUSHOKUNET Takushoku University, JP
    AS131988        TANET Takehara Cable Network Co,Ltd, JP
    AS131984        JOCDN JOCDN Inc., JP
    AS131957        MICROAD MicroAd, Inc., JP
    AS131952        POTATO-NET Asahikawa Cable Television Co., Ltd., JP
    AS131944        KADOKAWA-NET KADOKAWA DWANGO CORPORATION, JP
    AS131918        SCN-NET SHONAN CABLE NETWORK, JP
    AS131916        BAYNET Tokyo Bay Network Co.,Ltd., JP
    AS131912        CYBOZU Cybozu,Inc., JP
    AS132337        ANSPL-AS-AP Axclusive, SG
    AS131899        DIG-NET DIG Inc., JP
    AS135377        UCLOUD-HK-AS-AP UCLOUD INFORMATION TECHNOLOGY HK LIMITED, HK
    AS139255        U-NEXT-AS-AP U-NEXT Co.,Ltd., JP
    AS139468        DCI-AS-AP DC Communications Inc., JP
    AS137969        HKBIL-AS-AP HONG KONG BRIDGE INFO-TECH LIMITED, HK
    AS137535        JTIP-AS-AP JT TELECOM INTERNATIONAL PTE.LTD., SG
    AS150358        TWCU-NET Tokyo Womans Christian University, JP
    AS146979        SUNDAICHI University of Nagasaki, JP
    AS150366        DEMAE-CAN-NW demae-can co. ltd, JP
    AS150363        THIN-NET SoftEther Corporation, JP
    AS14361         HOPONE-GLOBAL - HopOne Internet Corporation, US
    AS153371        BACKWAVESLIMITED-AS-AP BACK WAVES LIMITED, HK
    AS152876        COMOTA Comota Co., Ltd., JP
    AS15169         GOOGLE - Google LLC, US
    AS150367        CLOUD-NET Future Corp., JP
    AS140096        JINX-AS-AP JINX CO., LIMITED, HK
    AS13445         WEBEX - Cisco Webex LLC, US
    AS13414         TWITTER - Twitter Inc., US
    AS13335         CLOUDFLARENET - Cloudflare, Inc., US
    AS15412         FLAG-AS Flag Telecom Global Internet AS, GB
    AS13030         INIT7, CH
    AS15830         EQUINIX, NL
    AS15557         LDCOMNET --- I3Dnet ---, FR
    AS16276         OVH, FR
    AS16735         ALGAR TELECOM SA, BR
    AS17451         BIZNET-AS-AP BIZNET NETWORKS, ID
    AS17512         JAL Japan Airlines Co.,Ltd., JP
    AS17511         OPTAGE OPTAGE Inc., JP
    AS17529         MEDIACAT STARCAT Co .,LTD., JP
    AS17516         NTTCOMWARE NTT COMWARE CORPORATION, JP
    AS17514         AICS Otsuka Corp., JP
    AS17661         NHN-JAPAN NHN Cloud Japan Corporation, JP
    AS17557         PKTELECOM-AS-PK Pakistan Telecommunication Company Limited, PK
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS16509         AMAZON-02 - Amazon.com, Inc., US
    AS1299          TWELVE99 Arelion, fka Telia Carrier, SE
    AS17693         NEKONET YAMATO SYSTEM DEVELOPMENT CO., LTD., JP
    AS17691         TIKITIKI NDS Co., Ltd., JP
    AS17947         S-UTOPIA SAKURA KCS Corporation., JP
    AS17944         JWA Japan Weather Association, JP
    AS17931         NETFOREST Netforest,Inc., JP
    AS18090         MAGMA IMS Corporation, JP
    AS18074         FRT FRT Inc., JP
    AS18091         TEIKYO-U Teikyo University, JP
    AS18071         MEI1 Panasonic Information Systems Co., Ltd, JP
    AS17955         AVISNET Densan Co., Ltd., JP
    AS18094         TCN-AS Tokyo Cable Network.,INC, JP
    AS18106         VIEWQWEST-SG-AP Viewqwest Pte Ltd, SG
    AS17707         DATAHOTEL-JP AS for DATAHOTEL, which is one of iDC in Japan, JP
    AS18260         E-CATV EHIME CATV CO.,LTD., JP
    AS18272         BC-NET Benesse Corporation, JP
    AS18526         DDPS - DDPS Networks, LLC, JP
    AS18126         CTCX Chubu Telecommunications Company, Inc., JP
    AS20347         GFN-US - Nvidia Corporation, US
    AS19151         BBO-1 - BroadbandONE, LLC, US
    AS20485         TRANSTELECOM Moscow, Russia, RU
    AS23634         E-DNS-JP WIDE Project, JP
    AS23774         A-DNS-JP Japan Registry Service Co., Ltd., JP
    AS23776         NEC NEC Corporation, JP
    AS23639         NTT-BIZLINK NTT Bizlink, Inc., JP
    AS23627         UCVNET UEDA CABLE VISION CO.,LTD., JP
    AS23786         MABLE San-in Cable Vision CO.,LTD, JP
    AS23780         CTB CTB Media Inc., JP
    AS24248         ASN-WADAI-U Wakayama University, JP
    AS24249         JWAY JWAY co., Ltd., JP
    AS23947         MORATELINDONAP-AS-ID PT.Mora Telematika Indonesia, ID
    AS21859         ZEN-ECN - Zenlayer Inc, US
    AS2516          KDDI KDDI CORPORATION, JP
    AS2518          BIGLOBE BIGLOBE Inc., JP
    AS24319         AKAMAI-TYO-AP Akamai Technologies Tokyo ASN, SG
    AS2119          TELENOR-NEXTEL Telenor Norge AS, NO
    AS20940         AKAMAI-ASN1, NL
    AS17676         GIGAINFRA SoftBank Corp., JP
    AS2522          PPP-EXP Japan Network Information Center, JP
    AS2527          SO-NET Sony Network Communications Inc., JP
    AS2647          ORANGE-BUSINESS-NAM, IE
    AS2906          AS-SSI - Netflix Streaming Services Inc., US
    AS2687          ATGS-MMD-AS - AT&T Enterprises, LLC, US
    AS2603          NORDUNET, DK
    AS30286         THM - ThreatMetrix Inc., US
    AS297           AS297 - National Aeronautics and Space Administration, US
    AS293           ESNET - ESnet, US
    AS3130          RGNET-SEA RGnet Seattle Westin, EE
    AS30781         JAGUAR-AS, FR
    AS3216          SOVAM-AS, RU
    AS3258          XTOM-JAPAN xTom Japan Corporation, JP
    AS32787         PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK - Akamai Technologies, Inc., US
    AS3300          BT, GB
    AS3303          SWISSCOM Swisscom Switzerland Ltd, CH
    AS32934         FACEBOOK - Facebook, Inc., US
    AS3292          TDC TDC AS, DK
    AS3257          GTT-BACKBONE GTT, US
    AS2914          NTT-DATA-2914 - NTT America, Inc., US
    AS3462          HINET Data Communication Business Group, TW
    AS3605          ERX-KUENTOS-AS Guam Cablevision, LLC., GU
    AS37468         ANGOLA-CABLES, AO
    AS37100         SEACOM-AS, MU
    AS3491          PCCWG-APAC-HK PCCW Global HK Ltd., HK
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS37905         BRASTEL-NET Brastel Co.,Ltd, JP
    AS37915         KE-NET Wakayama Prefectural Government, JP
    AS37918         ECL-INET NTT, Inc., JP
    AS37916         ATWORKS A.T.WORKS, Inc., JP
    AS37891         JTIS JR TOKAI Information Systems Company, JP
    AS3786          LGDACOM LG DACOM Corporation, KR
    AS3320          DTAG Internet service provider operations, DE
    AS38634         DWANGO DWANGO Co.,Ltd., JP
    AS38628         WINK-NET HIMEJI CABLE TELEVISION CORPORATION, JP
    AS38651         MIXI MIXI, Inc., JP
    AS38636         DENA-NET DeNA, Co. Ltd., JP
    AS398704        STACKSINC-BACKBONE - STACKS INC, US
    AS393226        INTERCONTINENTAL-EXCHANGE-MULTI-ISP-SITES - Intercontinental Exchange, Inc., US
    AS39122         BLACKNIGHT-AS, IE
    AS40263         BCS-1 - Bear Cloud Solutions, Inc., US
    AS400506        BAIAS - Black Apple, US
    AS41095         IPTP, GB
    AS38082         IIT-TIG-AS-AP True International Gateway Co., Ltd., TH
    AS42            WOODYNET-1 - WoodyNet, Inc., US
    AS45204         GEMNET-MN GEMNET LLC, MN
    AS45558         MPT-MM-AS-AP MYANMA POSTS AND TELECOMMUNICATIONS, MM
    AS45629         JASTEL-NETWORK-TH-AP JasTel Network International Gateway, TH
    AS45691         DODO-CORE DODO K.K., JP
    AS4181          TDS-AS - TDS TELECOM, US
    AS45899         VNPT-AS-VN VNPT Corp, VN
    AS4134          CHINANET-BACKBONE No.31,Jin-rong Street, CN
    AS4637          ASN-TELSTRA-GLOBAL Telstra Global, HK
    AS38040         GLOBAL-TRANSIT-TOT-IIG-TH TOT Public Company Limited, TH
    AS4673          INTERVIA NTT DATA CORPORATION, JP
    AS4680          MIND Mitsubishi Electric Information Network Corporation, JP
    AS4713          OCN NTT DOCOMO BUSINESS,Inc., JP
    AS4657          STARHUB-INTERNET StarHub Ltd, SG
    AS4761          INDOSAT-INP-AP INDOSAT Internet Network Provider, ID
    AS4774          ABONE-AS A-Bone by Internet Initiative Japan Inc., JP
    AS4785          XTOM-AS-JP xTom, JP
    AS4780          SEEDNET Digital United Inc., TW
    AS4775          GLOBE-TELECOM-AS Globe Telecoms, PH
    AS4766          KIXS-AS-KR Korea Telecom, KR
    AS4826          VOCUS-BACKBONE-AS Vocus Connect International Backbone, AU
    AS4788          TTSSB-MY TM TECHNOLOGY SERVICES SDN. BHD., MY
    AS50414         CODEBGP-MONITOR, US
    AS51847         NEAROUTE, HK
    AS54113         FASTLY - Fastly, Inc., US
    AS54740         DYNAWEB - Dynaweb Foundation, US
    AS54994         ML-1432-54994 - Meteverse Limited., CA
    AS5400          BT, GB
    AS55385         DA Digital Alliance Co.,Ltd., JP
    AS55387         RMGR-MIX Japan Communication Inc., JP
    AS55256         NETSKOPE - Netskope Inc, US
    AS55899         IROB irob Ltd., JP
    AS55910         SITNET-AS Shibaura Institute of Technology, JP
    AS55904         KOGAKUIN-AS KOGAKUIN University, JP
    AS577           BACOM - Bell Canada, CA
    AS55900         GLBB-JP GLBB Japan KK, JP
    AS55392         MF-NATIVE6-W INTERNET MULTIFEED CO., JP
    AS55391         MF-NATIVE6-E INTERNET MULTIFEED CO., JP
    AS5511          OPENTRANSIT, FR
    AS59104         SOKAU-AS Soka University, JP
    AS59118         FNC-O2 NRI SecureTechnologies, Ltd., JP
    AS59109         HITCLOUD Hitachi,Ltd., Managed & Platform Services Business Division, JP
    AS59123         KAKAKUCOM Kakaku.com, Inc., JP
    AS59107         HTV-NET Hachinohe Cable Television Co., JP
    AS60068         CDN77 _, GB
    AS58793         NIFCLOUD-NET FUJITSU LIMITED, JP
    AS61215         IIJ-EXLAYER-AS, GB
    AS63210         FC2-INC-2 - FC2 Inc, US
    AS63773         DUAL-NET dual&Co. Inc., JP
    AS63997         TSUKAERUNET Tsukaeru.net, Web Hosting Company, Japan, JP
    AS6327          SHAW - Shaw Communications, CA
    AS6079          RCN-AS - RCN, US
    AS58453         CMI-INT-HK China Mobile International Limited, HK
    AS4837          CHINA169-BACKBONE CHINA UNICOM China169 Backbone, CN
    AS4651          NTPCL-AS-AP National Telecom Public Company Limited, TH
    AS2519          VECTANT ARTERIA Networks Corporation, JP
    AS6661          EPT-LU Entreprise des P. et T. Luxembourg, LU
    AS6774          ASN-BICS, BE
    AS6667          EUNET-FINLAND, FI
    AS6939          HURRICANE - Hurricane Electric LLC, US
    AS6830          LIBERTYGLOBAL Liberty Global formerly UPC Broadband Holding, aka AORTA, NL
    AS7342          VERISIGN-AS - VeriSign Infrastructure & Operations, US
    AS714           APPLE-ENGINEERING - Apple Inc., US
    AS703           UUNET - Verizon Business, US
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US
    AS701           UUNET - Verizon Business, US
    AS6461          ZAYO-6461 - Zayo Bandwidth, US
    AS7503          AIR Air Internet Service Co.,Ltd., JP
    AS7514          MEX Computer Engineering & Consulting, Ltd., JP
    AS7483          SKYCLOUD-NET Skycloud Computing co., Ltd., TW
    AS7527          JPIX Japan Internet Xing Co., Ltd., JP
    AS7524          HANSHIN ITEC HANKYU HANSHIN CO.,LTD., JP
    AS7665          OKIX Okayama Prefectural Government, JP
    AS7664          HARENET HARENET INC., JP
    AS7529          NETIRD GMO NetIRD, Inc., JP
    AS7671          MCNET NTT SmartConnect Corporation, JP
    AS7687          D-CRUISENET TOYOTA SYSTEMS CORPORATION, JP
    AS7679          QTNET QTnet,Inc., JP
    AS7672          FITWEB Hokuden Information System Service Co.,Ltd., JP
    AS7670          CTNET Enecom,Inc., JP
    AS8001          COLOGIX - Cologix, Inc, US
    AS7713          TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
    AS8220          COLT COLT Technology Services Group Limited, GB
    AS8529          OMANTEL-AS ZOI - Zain Omantel International, AE
    AS8657          MEO-INTERNACIONAL MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A., PT
    AS8359          MTS, RU
    AS8781          QA-ISP, QA
    AS8708          DIGI-ROMANIA 75 Dr. Staicovici, RO
    AS9050          RTD Bucharest, Romania, RO
    AS9299          IPG-AS-AP Philippine Long Distance Telephone Company, PH
    AS9269          HKBN-AS-AP Hong Kong Broadband Network Ltd., HK
    AS9304          HUTCHISON-AS-AP HGC Global Communications Limited, HK
    AS9121          TTNET, TR
    AS8966          ETISALAT-AS P.O. Box 1150, Dubai, U, AE
    AS8075          MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US
    AS9370          SAKURA-B SAKURA Internet Inc., JP
    AS9371          SAKURA-C SAKURA Internet Inc., JP
    AS9381          HKBNES-AS-AP HKBN Enterprise Solutions HK Limited, HK
    AS9318          SKB-AS SK Broadband Co Ltd, KR
    AS9593          NIKKEI Nikkei Inc., JP
    AS9595          XEPHION NTT-ME Corporation, JP
    AS9505          TWGATE-AP Taiwan Internet Gateway, TW
    AS9680          HINETUSA HiNet Service Center in U.S.A, TW
    AS984           OWS-NETWORK - OCTOPUS WEB SOLUTION INC, US
    AS9873          TELECOM-LA-AS-AP Lao Telecom Communication, LTC, LA
    AS9999          ATTOKYO AT TOKYO Corporation, JP
    AS9930          TTNET-MY TIME dotCom Berhad No. 14, Jalan Majistret U126 Hicom Glenmarie Industrial Park 40150 Shah Alam Selangor, Malaysia, MY
    AS9824          JTCL-JP-AS JCOM Co., Ltd., JP
    AS9658          ETPI-IDS-AS-AP Eastern Telecoms Phils., Inc., PH
    AS9605          DOCOMO NTT DOCOMO, INC., JP
    AS9498          BBIL-AP BHARTI Airtel Ltd., IN
    AS7473          SINGTEL-AS-AP Singapore Telecommunications Ltd, SG
    AS6453          AS6453 - TATA COMMUNICATIONS AMERICA INC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
157   AS2497         ORG+TRN Originate:    3977728 /10.08  Transit: 2083149312 /1.04  IIJ Internet Initiative Japan Inc., JP

Aggregation Suggestions

        Filter: Aggregates, Specifics

This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
 1359 AS2497        IIJ Internet Initiative Japan Inc., JP           185     58     16    143     42  22.70%


  Prefix               AS Path                              Aggregation Suggestion
  23.131.136.0/24      4777 2497              
  23.159.40.0/24       4777 2497              
  23.183.56.0/24       4777 2497              
  49.239.64.0/18       4777 2497              
  58.138.0.0/17        4777 2497              
  58.138.128.0/18      4777 2497              
  61.122.224.0/20      4777 2497              
  61.211.96.0/19       4777 2497              
  101.128.128.0/17     4777 2497              
  103.2.57.0/24        4777 2497              
  103.2.58.0/23        4777 2497              
  103.5.23.0/24        4777 2497              
  103.26.166.0/23      4777 2497            + Announce - aggregate of 103.26.166.0/24 (4777 2497) and 103.26.167.0/24 (4777 2497)
  103.26.166.0/24      4777 2497            - Withdrawn - aggregated with 103.26.167.0/24 (4777 2497)
  103.26.167.0/24      4777 2497            - Withdrawn - aggregated with 103.26.166.0/24 (4777 2497)
  113.197.128.0/17     4777 2497              
  116.118.192.0/20     4777 2497              
  118.151.0.0/17       4777 2497              
  118.151.128.0/18     4777 2497              
  119.10.192.0/18      4777 2497              
  121.50.160.0/21      4777 2497              
  121.102.0.0/16       4777 2497              
  121.200.200.0/21     4777 2497              
  124.41.0.0/17        4777 2497              
  124.41.128.0/18      4777 2497              
  124.147.64.0/18      4777 2497              
  125.30.0.0/16        4777 2497              
  129.249.0.0/16       4777 2497              
  131.248.0.0/16       4777 2497              
  132.179.0.0/16       4777 2497              
  133.110.0.0/15       4777 2497            + Announce - aggregate of 133.110.0.0/16 (4777 2497) and 133.111.0.0/16 (4777 2497)
  133.110.0.0/16       4777 2497            - Withdrawn - aggregated with 133.111.0.0/16 (4777 2497)
  133.111.0.0/16       4777 2497            - Withdrawn - aggregated with 133.110.0.0/16 (4777 2497)
  133.127.0.0/16       4777 2497              
  133.137.0.0/16       4777 2497              
  133.142.0.0/16       4777 2497              
  133.159.0.0/16       4777 2497              
  133.169.0.0/21       4777 2497              
  133.169.8.0/22       4777 2497              
  133.173.0.0/16       4777 2497              
  133.173.0.0/17       4777 2497            - Withdrawn - matching aggregate 133.173.0.0/16 4777 2497
  133.173.128.0/17     4777 2497            - Withdrawn - matching aggregate 133.173.0.0/16 4777 2497
  133.183.96.0/21      4777 2497              
  133.183.106.0/24     4777 2497              
  133.183.128.0/19     4777 2497              
  133.194.0.0/17       4777 2497              
  133.194.128.0/18     4777 2497              
  133.194.192.0/19     4777 2497              
  133.194.224.0/20     4777 2497              
  133.194.240.0/21     4777 2497              
  133.194.248.0/22     4777 2497              
  133.194.252.0/23     4777 2497              
  133.194.254.0/24     4777 2497              
  133.215.0.0/16       4777 2497              
  133.218.0.0/16       4777 2497              
  133.221.0.0/16       4777 2497              
  133.221.3.0/24       4777 2497            - Withdrawn - matching aggregate 133.221.0.0/16 4777 2497
  133.236.0.0/16       4777 2497              
  133.238.8.0/21       4777 2497              
  133.238.16.0/20      4777 2497              
  133.238.32.0/19      4777 2497              
  133.238.128.0/17     4777 2497              
  133.245.0.0/16       4777 2497              
  133.254.0.0/16       4777 2497              
  133.254.130.0/24     4777 2497            - Withdrawn - matching aggregate 133.254.0.0/16 4777 2497
  133.254.131.0/24     4777 2497            - Withdrawn - matching aggregate 133.254.0.0/16 4777 2497
  134.237.0.0/16       4777 2497              
  138.107.0.0/16       4777 2497              
  139.152.0.0/16       4777 2497              
  139.152.11.0/24      4777 2497            - Withdrawn - matching aggregate 139.152.0.0/16 4777 2497
  139.152.13.0/24      4777 2497            - Withdrawn - matching aggregate 139.152.0.0/16 4777 2497
  139.152.14.0/24      4777 2497            - Withdrawn - matching aggregate 139.152.0.0/16 4777 2497
  139.152.15.0/24      4777 2497            - Withdrawn - matching aggregate 139.152.0.0/16 4777 2497
  143.94.0.0/16        4777 2497              
  143.94.217.0/24      4777 2497            - Withdrawn - matching aggregate 143.94.0.0/16 4777 2497
  143.125.0.0/17       4777 2497              
  143.125.128.0/18     4777 2497              
  143.125.192.0/20     4777 2497              
  143.125.208.0/22     4777 2497              
  150.23.0.0/16        4777 2497              
  150.31.0.0/16        4777 2497              
  150.61.5.0/24        4777 2497              
  150.61.54.0/23       4777 2497            + Announce - aggregate of 150.61.54.0/24 (4777 2497) and 150.61.55.0/24 (4777 2497)
  150.61.54.0/24       4777 2497            - Withdrawn - aggregated with 150.61.55.0/24 (4777 2497)
  150.61.55.0/24       4777 2497            - Withdrawn - aggregated with 150.61.54.0/24 (4777 2497)
  150.87.0.0/16        4777 2497              
  150.90.0.0/16        4777 2497              
  157.65.8.0/21        4777 2497              
  157.65.176.0/21      4777 2497              
  157.65.192.0/21      4777 2497              
  157.67.0.0/16        4777 2497              
  160.13.0.0/16        4777 2497              
  160.17.0.0/16        4777 2497              
  163.49.0.0/16        4777 2497              
  163.55.0.0/16        4777 2497              
  163.140.0.0/16       4777 2497              
  163.218.0.0/16       4777 2497              
  167.169.0.0/16       4777 2497              
  172.122.0.0/15       4777 2497              
  182.54.240.0/22      4777 2497              
  192.47.161.0/24      4777 2497              
  192.50.252.0/23      4777 2497              
  192.70.131.0/24      4777 2497              
  192.244.8.0/21       4777 2497              
  202.15.44.0/23       4777 2497              
  202.19.224.0/21      4777 2497              
  202.22.208.0/20      4777 2497              
  202.24.192.0/22      4777 2497            + Announce - aggregate of 202.24.192.0/23 (4777 2497) and 202.24.194.0/23 (4777 2497)
  202.24.192.0/24      4777 2497            - Withdrawn - aggregated with 202.24.193.0/24 (4777 2497)
  202.24.193.0/24      4777 2497            - Withdrawn - aggregated with 202.24.192.0/24 (4777 2497)
  202.24.194.0/24      4777 2497            - Withdrawn - aggregated with 202.24.195.0/24 (4777 2497)
  202.24.195.0/24      4777 2497            - Withdrawn - aggregated with 202.24.194.0/24 (4777 2497)
  202.24.196.0/24      4777 2497              
  202.32.0.0/16        4777 2497              
  202.48.108.0/23      4777 2497              
  202.141.192.0/20     4777 2497              
  202.214.0.0/16       4777 2497              
  202.221.0.0/16       4777 2497              
  202.224.128.0/18     4777 2497              
  202.232.0.0/16       4777 2497              
  202.238.128.0/17     4777 2497            + Announce - aggregate of 202.238.128.0/18 (4777 2497) and 202.238.192.0/18 (4777 2497)
  202.238.128.0/18     4777 2497            - Withdrawn - aggregated with 202.238.192.0/18 (4777 2497)
  202.238.192.0/18     4777 2497            - Withdrawn - aggregated with 202.238.128.0/18 (4777 2497)
  202.242.16.0/23      4777 2497              
  202.244.222.0/24     4777 2497              
  202.245.176.0/20     4777 2497              
  202.250.154.0/23     4777 2497            + Announce - aggregate of 202.250.154.0/24 (4777 2497) and 202.250.155.0/24 (4777 2497)
  202.250.154.0/24     4777 2497            - Withdrawn - aggregated with 202.250.155.0/24 (4777 2497)
  202.250.155.0/24     4777 2497            - Withdrawn - aggregated with 202.250.154.0/24 (4777 2497)
  202.251.0.0/19       4777 2497              
  202.253.160.0/22     4777 2497              
  203.139.224.0/19     4777 2497            + Announce - aggregate of 203.139.224.0/20 (4777 2497) and 203.139.240.0/20 (4777 2497)
  203.139.224.0/22     4777 2497            - Withdrawn - aggregated with 203.139.228.0/22 (4777 2497)
  203.139.228.0/22     4777 2497            - Withdrawn - aggregated with 203.139.224.0/22 (4777 2497)
  203.139.232.0/22     4777 2497            - Withdrawn - aggregated with 203.139.236.0/22 (4777 2497)
  203.139.236.0/22     4777 2497            - Withdrawn - aggregated with 203.139.232.0/22 (4777 2497)
  203.139.240.0/20     4777 2497            - Withdrawn - aggregated with 203.139.224.0/20 (4777 2497)
  203.180.0.0/16       4777 2497              
  206.132.160.0/20     4777 2497              
  210.128.0.0/16       4777 2497              
  210.130.0.0/16       4777 2497              
  210.133.192.0/18     4777 2497              
  210.138.0.0/16       4777 2497              
  210.141.16.0/20      4777 2497              
  210.148.0.0/15       4777 2497            + Announce - aggregate of 210.148.0.0/16 (4777 2497) and 210.149.0.0/16 (4777 2497)
  210.148.0.0/16       4777 2497            - Withdrawn - aggregated with 210.149.0.0/16 (4777 2497)
  210.149.0.0/16       4777 2497            - Withdrawn - aggregated with 210.148.0.0/16 (4777 2497)
  210.173.0.0/19       4777 2497              
  210.233.160.0/24     4777 2497              
  210.233.162.0/23     4777 2497            + Announce - aggregate of 210.233.162.0/24 (4777 2497) and 210.233.163.0/24 (4777 2497)
  210.233.162.0/24     4777 2497            - Withdrawn - aggregated with 210.233.163.0/24 (4777 2497)
  210.233.163.0/24     4777 2497            - Withdrawn - aggregated with 210.233.162.0/24 (4777 2497)
  210.233.165.0/24     4777 2497              
  210.233.166.0/23     4777 2497            + Announce - aggregate of 210.233.166.0/24 (4777 2497) and 210.233.167.0/24 (4777 2497)
  210.233.166.0/24     4777 2497            - Withdrawn - aggregated with 210.233.167.0/24 (4777 2497)
  210.233.167.0/24     4777 2497            - Withdrawn - aggregated with 210.233.166.0/24 (4777 2497)
  210.233.168.0/22     4777 2497            + Announce - aggregate of 210.233.168.0/23 (4777 2497) and 210.233.170.0/23 (4777 2497)
  210.233.168.0/24     4777 2497            - Withdrawn - aggregated with 210.233.169.0/24 (4777 2497)
  210.233.169.0/24     4777 2497            - Withdrawn - aggregated with 210.233.168.0/24 (4777 2497)
  210.233.170.0/24     4777 2497            - Withdrawn - aggregated with 210.233.171.0/24 (4777 2497)
  210.233.171.0/24     4777 2497            - Withdrawn - aggregated with 210.233.170.0/24 (4777 2497)
  210.233.173.0/24     4777 2497              
  210.233.174.0/23     4777 2497            + Announce - aggregate of 210.233.174.0/24 (4777 2497) and 210.233.175.0/24 (4777 2497)
  210.233.174.0/24     4777 2497            - Withdrawn - aggregated with 210.233.175.0/24 (4777 2497)
  210.233.175.0/24     4777 2497            - Withdrawn - aggregated with 210.233.174.0/24 (4777 2497)
  210.233.176.0/21     4777 2497            + Announce - aggregate of 210.233.176.0/22 (4777 2497) and 210.233.180.0/22 (4777 2497)
  210.233.176.0/24     4777 2497            - Withdrawn - aggregated with 210.233.177.0/24 (4777 2497)
  210.233.177.0/24     4777 2497            - Withdrawn - aggregated with 210.233.176.0/24 (4777 2497)
  210.233.178.0/24     4777 2497            - Withdrawn - aggregated with 210.233.179.0/24 (4777 2497)
  210.233.179.0/24     4777 2497            - Withdrawn - aggregated with 210.233.178.0/24 (4777 2497)
  210.233.180.0/24     4777 2497            - Withdrawn - aggregated with 210.233.181.0/24 (4777 2497)
  210.233.181.0/24     4777 2497            - Withdrawn - aggregated with 210.233.180.0/24 (4777 2497)
  210.233.182.0/24     4777 2497            - Withdrawn - aggregated with 210.233.183.0/24 (4777 2497)
  210.233.183.0/24     4777 2497            - Withdrawn - aggregated with 210.233.182.0/24 (4777 2497)
  210.233.184.0/22     4777 2497            + Announce - aggregate of 210.233.184.0/23 (4777 2497) and 210.233.186.0/23 (4777 2497)
  210.233.184.0/24     4777 2497            - Withdrawn - aggregated with 210.233.185.0/24 (4777 2497)
  210.233.185.0/24     4777 2497            - Withdrawn - aggregated with 210.233.184.0/24 (4777 2497)
  210.233.186.0/24     4777 2497            - Withdrawn - aggregated with 210.233.187.0/24 (4777 2497)
  210.233.187.0/24     4777 2497            - Withdrawn - aggregated with 210.233.186.0/24 (4777 2497)
  210.233.188.0/23     4777 2497            + Announce - aggregate of 210.233.188.0/24 (4777 2497) and 210.233.189.0/24 (4777 2497)
  210.233.188.0/24     4777 2497            - Withdrawn - aggregated with 210.233.189.0/24 (4777 2497)
  210.233.189.0/24     4777 2497            - Withdrawn - aggregated with 210.233.188.0/24 (4777 2497)
  210.233.190.0/24     4777 2497              
  211.14.32.0/19       4777 2497              
  216.98.96.0/19       4777 2497              
  218.42.160.0/19      4777 2497              
  218.228.96.0/19      4777 2497              
  219.105.0.0/19       4777 2497              
  219.111.0.0/17       4777 2497              
  219.119.0.0/16       4777 2497              
  219.121.160.0/19     4777 2497              
  219.126.128.0/17     4777 2497              
  220.100.0.0/17       4777 2497              
  220.100.192.0/18     4777 2497              
  220.156.0.0/17       4777 2497            + Announce - aggregate of 220.156.0.0/18 (4777 2497) and 220.156.64.0/18 (4777 2497)
  220.156.0.0/18       4777 2497            - Withdrawn - aggregated with 220.156.64.0/18 (4777 2497)
  220.156.64.0/19      4777 2497            - Withdrawn - aggregated with 220.156.96.0/19 (4777 2497)
  220.156.96.0/19      4777 2497            - Withdrawn - aggregated with 220.156.64.0/19 (4777 2497)
  220.156.128.0/19     4777 2497              
  220.208.192.0/19     4777 2497              
  220.210.128.0/18     4777 2497              

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS2497   124 More Specifics   185 Total Advertisements   IIJ Internet Initiative Japan Inc., JP
    61.122.224.0/20               61.112.0.0/12
    61.211.96.0/19                61.208.0.0/13
    103.5.23.0/24                 103.5.20.0/22
    103.26.166.0/24               103.26.164.0/22
    103.26.167.0/24               103.26.164.0/22
    133.110.0.0/16                133.0.0.0/8
    133.111.0.0/16                133.0.0.0/8
    133.127.0.0/16                133.0.0.0/8
    133.137.0.0/16                133.0.0.0/8
    133.142.0.0/16                133.0.0.0/8
    133.159.0.0/16                133.0.0.0/8
    133.169.0.0/21                133.0.0.0/8
    133.169.8.0/22                133.0.0.0/8
    133.173.0.0/16                133.0.0.0/8
    133.173.0.0/17                133.0.0.0/8
    133.173.128.0/17              133.0.0.0/8
    133.183.96.0/21               133.0.0.0/8
    133.183.106.0/24              133.0.0.0/8
    133.183.128.0/19              133.0.0.0/8
    133.194.0.0/17                133.0.0.0/8
    133.194.128.0/18              133.0.0.0/8
    133.194.192.0/19              133.0.0.0/8
    133.194.224.0/20              133.0.0.0/8
    133.194.240.0/21              133.0.0.0/8
    133.194.248.0/22              133.0.0.0/8
    133.194.252.0/23              133.0.0.0/8
    133.194.254.0/24              133.0.0.0/8
    133.215.0.0/16                133.0.0.0/8
    133.218.0.0/16                133.0.0.0/8
    133.221.0.0/16                133.0.0.0/8
    133.221.3.0/24                133.0.0.0/8
    133.236.0.0/16                133.0.0.0/8
    133.238.8.0/21                133.0.0.0/8
    133.238.16.0/20               133.0.0.0/8
    133.238.32.0/19               133.0.0.0/8
    133.238.128.0/17              133.0.0.0/8
    133.245.0.0/16                133.0.0.0/8
    133.254.0.0/16                133.0.0.0/8
    133.254.130.0/24              133.0.0.0/8
    133.254.131.0/24              133.0.0.0/8
    139.152.11.0/24               139.152.0.0/16
    139.152.13.0/24               139.152.0.0/16
    139.152.14.0/24               139.152.0.0/16
    139.152.15.0/24               139.152.0.0/16
    143.94.217.0/24               143.94.0.0/16
    150.61.5.0/24                 150.61.0.0/16
    150.61.54.0/24                150.61.0.0/16
    150.61.55.0/24                150.61.0.0/16
    192.50.252.0/23               192.50.0.0/16
    192.244.8.0/21                192.244.0.0/16
    202.15.44.0/23                202.15.0.0/16
    202.19.224.0/21               202.19.0.0/16
    202.24.192.0/24               202.24.0.0/15
    202.24.193.0/24               202.24.0.0/15
    202.24.194.0/24               202.24.0.0/15
    202.24.195.0/24               202.24.0.0/15
    202.24.196.0/24               202.24.0.0/15
    202.32.0.0/16                 202.32.0.0/14
    202.48.108.0/23               202.48.0.0/16
    202.214.0.0/16                202.212.0.0/14
    202.221.0.0/16                202.220.0.0/14
    202.224.128.0/18              202.224.0.0/15
    202.232.0.0/16                202.232.0.0/14
    202.238.128.0/18              202.236.0.0/14
    202.238.192.0/18              202.236.0.0/14
    202.242.16.0/23               202.240.0.0/12
    202.244.222.0/24              202.240.0.0/12
    202.245.176.0/20              202.240.0.0/12
    202.250.154.0/24              202.240.0.0/12
    202.250.155.0/24              202.240.0.0/12
    202.251.0.0/19                202.240.0.0/12
    202.253.160.0/22              202.240.0.0/12
    203.139.224.0/22              203.136.0.0/14
    203.139.228.0/22              203.136.0.0/14
    203.139.232.0/22              203.136.0.0/14
    203.139.236.0/22              203.136.0.0/14
    203.139.240.0/20              203.136.0.0/14
    203.180.0.0/16                203.180.0.0/14
    210.128.0.0/16                210.128.0.0/13
    210.130.0.0/16                210.128.0.0/13
    210.133.192.0/18              210.128.0.0/13
    210.138.0.0/16                210.136.0.0/13
    210.141.16.0/20               210.136.0.0/13
    210.148.0.0/16                210.144.0.0/12
    210.149.0.0/16                210.144.0.0/12
    210.173.0.0/19                210.160.0.0/12
    210.233.160.0/24              210.232.0.0/14
    210.233.162.0/24              210.232.0.0/14
    210.233.163.0/24              210.232.0.0/14
    210.233.165.0/24              210.232.0.0/14
    210.233.166.0/24              210.232.0.0/14
    210.233.167.0/24              210.232.0.0/14
    210.233.168.0/24              210.232.0.0/14
    210.233.169.0/24              210.232.0.0/14
    210.233.170.0/24              210.232.0.0/14
    210.233.171.0/24              210.232.0.0/14
    210.233.173.0/24              210.232.0.0/14
    210.233.174.0/24              210.232.0.0/14
    210.233.175.0/24              210.232.0.0/14
    210.233.176.0/24              210.232.0.0/14
    210.233.177.0/24              210.232.0.0/14
    210.233.178.0/24              210.232.0.0/14
    210.233.179.0/24              210.232.0.0/14
    210.233.180.0/24              210.232.0.0/14
    210.233.181.0/24              210.232.0.0/14
    210.233.182.0/24              210.232.0.0/14
    210.233.183.0/24              210.232.0.0/14
    210.233.184.0/24              210.232.0.0/14
    210.233.185.0/24              210.232.0.0/14
    210.233.186.0/24              210.232.0.0/14
    210.233.187.0/24              210.232.0.0/14
    210.233.188.0/24              210.232.0.0/14
    210.233.189.0/24              210.232.0.0/14
    210.233.190.0/24              210.232.0.0/14
    211.14.32.0/19                211.8.0.0/13
    218.42.160.0/19               218.40.0.0/13
    218.228.96.0/19               218.224.0.0/13
    219.105.0.0/19                219.96.0.0/11
    219.111.0.0/17                219.96.0.0/11
    219.119.0.0/16                219.96.0.0/11
    219.121.160.0/19              219.96.0.0/11
    219.126.128.0/17              219.96.0.0/11
    220.208.192.0/19              220.208.0.0/12
    220.210.128.0/18              220.208.0.0/12

Whois Entry

whois: 402332

IANA has recorded AS2497 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS2497\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             % Information related to 'AS2497 - AS2528'
             
             as-block:       AS2497 - AS2528
             descr:          JPNIC-2Byte-ASBLOCK-AP
             descr:          for assignment to JPNIC members
             country:        JP
             admin-c:        JNIC1-AP
             tech-c:         JNIC1-AP
             remarks:        Authoritative information regarding AS Number
             remarks:        assignments made from within this block can be
             remarks:        queried at whois.nic.ad.jp.
             remarks:        To only display English output,
             remarks:        add '/e' at the end of command,
             remarks:        e.g. 'whois -h whois.nic.ad.jp xxx/e'.
             mnt-by:         APNIC-HM
             mnt-lower:      MAINT-JPNIC
             last-modified:  2017-06-12T03:54:29Z
             source:         APNIC
             
             role:           Japan Network Information Center
             address:        Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda
             address:        Chiyoda-ku, Tokyo 101-0047, Japan
             country:        JP
             phone:          +81-3-5297-2311
             fax-no:         +81-3-5297-2312
             e-mail:         hostmaster@nic.ad.jp
             admin-c:        JI13-AP
             tech-c:         JE53-AP
             nic-hdl:        JNIC1-AP
             mnt-by:         MAINT-JPNIC
             last-modified:  2022-01-05T03:04:02Z
             source:         APNIC
             
             % Information related to 'AS2497'
             
             aut-num:        AS2497
             as-name:        IIJ
             descr:          Internet Initiative Japan Inc.
             import:
             export:
             country:        JP
             admin-c:        JP00006327
             tech-c:         JP00006327
             last-modified:  2005-06-03T00:47:08Z
             remarks:        This information has been partially mirrored by APNIC from
             remarks:        JPNIC. To obtain more specific information, please use the
             remarks:        JPNIC WHOIS Gateway at
             remarks:        http://www.nic.ad.jp/en/db/whois/en-gateway.html or
             remarks:        whois.nic.ad.jp for WHOIS client. (The WHOIS client
             remarks:        defaults to Japanese output, use the /e switch for English
             remarks:        output)
             source:         JPNIC
             
             % This query was served by the APNIC Whois Service version 1.88.36-SNAPSHOT (WHOIS-AU5)