Report for 20258

Name

ANALOG-DEVICES - Analog Devices, Inc., US

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 AS6447) 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.

20258 ANALOG-DEVICES, US

  Adjacency:    11  Upstream:    11  Downstream:     0
  Upstream Adjacent AS list
    AS9299          IPG-AS-AP Philippine Long Distance Telephone Company, PH
    AS46887         CROWNCASTLE-AS46887, US
    AS9498          BBIL-AP BHARTI Airtel Ltd., IN
    AS174           COGENT-174, US
    AS7018          ATT-INTERNET4, US
    AS45458         SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-NIX, TH
    AS4775          GLOBE-TELECOM-AS Globe Telecoms, PH
    AS4755          TATACOMM-AS TATA Communications formerly VSNL is Leading ISP, IN
    AS45820         TTSL-MEISISP Tata Teleservices ISP AS, IN
    AS207044        ENET-AS, IE
    AS702           UUNET, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
8330  AS20258        ORIGIN  Originate:      14848 /18.14  Transit:          0 /0.00  ANALOG-DEVICES, US

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       %
 6523 AS20258       ANALOG-DEVICES, US                                42     10      3     35      7  16.67%


  Prefix               AS Path                              Aggregation Suggestion
  137.71.45.0/24       7018 20258             
  137.71.46.0/24       7018 20258             
  137.71.54.0/23       7018 20258             
  137.71.55.0/24       293 3356 46887 46887 46887 20258   
  137.71.105.0/24      2497 9498 20258        
  137.71.106.0/24      6939 9498 20258        
  137.71.114.0/24      2914 9299 20258 20258   
  137.71.115.0/24      6939 4775 20258 20258   
  137.71.116.0/23      6939 4775 20258 20258 20258 20258 + Announce - aggregate of 137.71.116.0/24 (6939 4775 20258 20258 20258 20258) and 137.71.117.0/24 (6939 4775 20258 20258 20258 20258)
  137.71.116.0/24      6939 4775 20258 20258 20258 20258 - Withdrawn - aggregated with 137.71.117.0/24 (6939 4775 20258 20258 20258 20258)
  137.71.117.0/24      6939 4775 20258 20258 20258 20258 - Withdrawn - aggregated with 137.71.116.0/24 (6939 4775 20258 20258 20258 20258)
  137.71.162.0/23      2914 174 20258         
  137.71.162.0/23      7018 20258           + Announce - aggregate of 137.71.162.0/24 (7018 20258) and 137.71.163.0/24 (7018 20258)
  137.71.162.0/24      7018 20258           - Withdrawn - aggregated with 137.71.163.0/24 (7018 20258)
  137.71.163.0/24      7018 20258           - Withdrawn - aggregated with 137.71.162.0/24 (7018 20258)
  137.71.164.0/23      2914 174 20258         
  137.71.165.0/24      7018 20258             
  137.71.170.0/23      3257 174 20258         
  137.71.171.0/24      7018 20258             
  137.71.172.0/22      3257 174 20258       + Announce - aggregate of 137.71.172.0/23 (3257 174 20258) and 137.71.174.0/23 (3257 174 20258)
  137.71.172.0/23      3257 174 20258       - Withdrawn - aggregated with 137.71.174.0/23 (3257 174 20258)
  137.71.173.0/24      7018 20258             
  137.71.174.0/23      3257 174 20258       - Withdrawn - aggregated with 137.71.172.0/23 (3257 174 20258)
  137.71.175.0/24      7018 20258             
  137.71.177.0/24      3257 174 20258         
  137.71.181.0/24      2914 174 20258         
  137.71.183.0/24      2914 174 20258         
  137.71.192.0/23      2914 45430 45458 20258   
  137.71.192.0/24      2914 45430 45458 20258 - Withdrawn - matching aggregate 137.71.192.0/23 2914 45430 45458 20258
  137.71.193.0/24      2914 45430 45458 20258 - Withdrawn - matching aggregate 137.71.192.0/23 2914 45430 45458 20258
  137.71.194.0/23      6939 9498 20258        
  137.71.194.0/24      6939 9498 20258      - Withdrawn - matching aggregate 137.71.194.0/23 6939 9498 20258
  137.71.195.0/24      7018 6453 4755 20258   
  137.71.196.0/23      22652 9498 20258       
  137.71.196.0/24      22652 9498 20258     - Withdrawn - matching aggregate 137.71.196.0/23 22652 9498 20258
  137.71.197.0/24      7018 6453 4755 45820 20258   
  137.71.220.0/22      7018 20258             
  137.71.220.0/23      7018 1299 46887 46887 46887 20258   
  137.71.226.0/23      3257 207044 20258      
  137.71.226.0/24      6939 702 20258         
  137.71.230.0/24      3257 207044 20258      
  137.71.246.0/23      3257 207044 20258      
  137.71.246.0/24      6939 702 20258         
  137.71.248.0/23      3257 207044 20258      
  137.71.249.0/24      6939 702 20258         

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

AS20258   34 More Specifics   34 Total Advertisements   ANALOG-DEVICES, US
    137.71.45.0/24                137.71.0.0/16
    137.71.46.0/24                137.71.0.0/16
    137.71.54.0/23                137.71.0.0/16
    137.71.55.0/24                137.71.0.0/16
    137.71.105.0/24               137.71.0.0/16
    137.71.106.0/24               137.71.0.0/16
    137.71.109.0/24               137.71.0.0/16
    137.71.113.0/24               137.71.0.0/16
    137.71.114.0/24               137.71.0.0/16
    137.71.115.0/24               137.71.0.0/16
    137.71.116.0/23               137.71.0.0/16
    137.71.144.0/23               137.71.0.0/16
    137.71.144.0/24               137.71.0.0/16
    137.71.162.0/23               137.71.0.0/16
    137.71.162.0/24               137.71.0.0/16
    137.71.163.0/24               137.71.0.0/16
    137.71.164.0/23               137.71.0.0/16
    137.71.165.0/24               137.71.0.0/16
    137.71.170.0/23               137.71.0.0/16
    137.71.171.0/24               137.71.0.0/16
    137.71.172.0/23               137.71.0.0/16
    137.71.173.0/24               137.71.0.0/16
    137.71.174.0/23               137.71.0.0/16
    137.71.175.0/24               137.71.0.0/16
    137.71.176.0/24               137.71.0.0/16
    137.71.177.0/24               137.71.0.0/16
    137.71.181.0/24               137.71.0.0/16
    137.71.183.0/24               137.71.0.0/16
    137.71.220.0/22               137.71.0.0/16
    137.71.220.0/23               137.71.0.0/16
    137.71.226.0/23               137.71.0.0/16
    137.71.230.0/24               137.71.0.0/16
    137.71.246.0/24               137.71.0.0/16
    137.71.249.0/24               137.71.0.0/16
    137.71.186.0/23               137.71.0.0/16
    137.71.187.0/24               137.71.0.0/16

Prefixes added and withdrawn by this origin AS in the past 7 days.

    + 137.71.109.0/24             Announced
    - 137.71.186.0/23             Withdrawn
    - 137.71.187.0/24             Withdrawn

Whois Entry

whois: 402551

IANA has recorded AS20258 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS20258\n             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #
             
             
             ASNumber:       20258
             ASName:         ANALOG-DEVICES
             ASHandle:       AS20258
             RegDate:        2001-04-13
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/20258
             
             
             OrgName:        Analog Devices, Inc.
             OrgId:          ANALOG-3
             Address:        Two Technology Way
             City:           Norwood
             StateProv:      MA
             PostalCode:     02062
             Country:        US
             RegDate:        1989-11-06
             Updated:        2025-12-19
             Ref:            https://rdap.arin.net/registry/entity/ANALOG-3
             
             
             OrgTechHandle: ADINE-ARIN
             OrgTechName:   ADI Network
             OrgTechPhone:  +1-781-461-3500 
             OrgTechEmail:  adi_network@analog.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/ADINE-ARIN
             
             OrgAbuseHandle: ADINE-ARIN
             OrgAbuseName:   ADI Network
             OrgAbusePhone:  +1-781-461-3500 
             OrgAbuseEmail:  adi_network@analog.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ADINE-ARIN
             
             OrgTechHandle: SAHAA-ARIN
             OrgTechName:   Saha, Avijit 
             OrgTechPhone:  +1-408-784-1072 
             OrgTechEmail:  avijit.saha@analog.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/SAHAA-ARIN
             
             RTechHandle: ZA85-ARIN
             RTechName:   Analog Devices
             RTechPhone:  +1-781-461-3719 
             RTechEmail:  InternetServices@analog.com
             RTechRef:    https://rdap.arin.net/registry/entity/ZA85-ARIN
             
             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #