Report for 40264

Name

TWC-40264-WI-MN-UPPERMI-C3 - Charter Communications LLC, 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.

40264 TWC-40264-WI-MN-UPPERMI-C3, US

  Adjacency:   138  Upstream:     2  Downstream:   136
  Upstream Adjacent AS list
    AS20115         CHARTER-20115, US
    AS10796         TWC-10796-MIDWEST, US
  Downstream Adjacent AS list
    AS22971         SVHHSTOSF-NET, US
    AS394263        RC-DC, US
    AS394316        ALTRA, US
    AS393774        NNB-ASN, US
    AS396230        411-SAW, US
    AS401360        STEARNSBANK-AS-02, US
    AS394702        MGE, US
    AS17298         ROEHL-AS, US
    AS395413        DKM6-ARIN, US
    AS10359         EPICSYS, US
    AS11936         MARATHON-CHEESE, US
    AS11438         LEMANS-1, US
    AS19284         AGSTAR-AS, US
    AS14262         CALUMET-ASN-01, US
    AS21896         ALLIANT-ENERGY, US
    AS20239         MNPOWER-ASN, US
    AS23493         ACUITY, US
    AS30382         IPTELX, US
    AS30426         -Reserved AS-, ZZ
    AS31973         WPS-1765DC, US
    AS36155         RAMCHEALTH, US
    AS394049        UWHCA, US
    AS36659         JWD-AS1, US
    AS395286        BELOITHEALTHSYSTEM, US
    AS395810        HCAS-2, US
    AS53515         AMTELCO-204-27-231-AS, US
    AS53934         SZW-INC, US
    AS53738         DDC-JVL, US
    AS47039         NGLI-11-47039, US
    AS55279         JOCKEY-INT, US
    AS7213          MASONCOMPANIESINC, US
    AS395585        WAUSAUSUPPLYCOMPANY, US
    AS14230         INVOLTA, US
    AS14252         SCHOOLSPECIALTY, US
    AS16542         MGIC, US
    AS16399         FIRSTCOMM-AS2, US
    AS19336         BLAIN-SUPPLY-PRIMARY, US
    AS17164         CENTRACAREHEALTHSYSTEM, US
    AS21794         AMEREN-AS2, US
    AS21554         CYBERLYNK, US
    AS23039         BELLAMB, US
    AS27360         KWIKTRIP-AS, US
    AS32268         ARTISAN-PARTNERS-ASN, US
    AS32871         SCHWABE-NORTH-AMERICA-01, US
    AS32625         OFFSITE-1, US
    AS33442         ZEBRA-TECHNOLOGIES-BGP-AS-NUMBER, US
    AS393377        -Reserved AS-, ZZ
    AS35997         UNITED-FINANCIAL-SERVICES, US
    AS33395         RMM-SOLUTIONS-AS, US
    AS33127         ISCORP-MEQUON, US
    AS31785         HBS-AS, US
    AS395277        ST-LUKES-HOSPITAL, US
    AS395972        SCHREIBERFOODS, US
    AS397926        CCC-HOSTING-01, US
    AS396834        --No Registry Entry--
    AS393702        WISCONSIN-VISION-ASSOCIATES-INC, US
    AS398994        KHS-USA-11, US
    AS399919        AS-ALOMERE-HEALTH, US
    AS46828         MILESK-AS1, US
    AS401635        --No Registry Entry--
    AS54671         WPCASN, US
    AS54978         ZYWAV-MKE-ASN, US
    AS54704         RCU, US
    AS53595         OSK, US
    AS399299        STEARNSBANK-AS-01, US
    AS398432        WANRACK, US
    AS11940         DIRECTSCOM, US
    AS11500         MSOE-INTERNET, US
    AS10634         INET-COMPUTERS-INC, US
    AS11595         NETSONIC, US
    AS11964         AWAC-HQ, US
    AS13567         KMB1, US
    AS1437          VISONEX-LLC, US
    AS13731         ONEIDANATION, US
    AS19887         KIASN, US
    AS17009         SHOPKO-ASN, US
    AS21558         SC-JOHNSON, US
    AS15285         SRLCD, US
    AS13376         TOPPAN-MERRILL, US
    AS22955         CHHS-1, US
    AS23548         THEDACARE, US
    AS26023         SCHWANS-SHARED-SERVICES, US
    AS23154         SANMINA-SCI, US
    AS32384         MILLERWELDSASN01, US
    AS33283         MCSERVICES, US
    AS31804         WEYCO-GROUP-INC, US
    AS395086        SCDC-SC-DATA-CENTER, US
    AS394673        9408, US
    AS396383        SEC-98-100-228-0, US
    AS36199         IILL-2-36199, US
    AS22344         ABC-SUPPLY-CO, US
    AS398428        NMTRANS-HQ-AS01, US
    AS40238         JOSTENS, US
    AS40479         AURORA-HEALTH-CARE, US
    AS53420         HARTLAND-INTERNET, US
    AS40530         GREATLAND, US
    AS6341          WIEC, US
    AS401114        COLUMBIACOUNTYWI, US
    AS21801         JEWELERS, US
    AS11769         RJ-SCHINNER, US
    AS14305         AS14305, US
    AS12047         GUNDERSEN-LUTHERAN, US
    AS21553         ASP-MAIN, US
    AS25794         DPCLAX, US
    AS22809         AMFAM-INS, US
    AS22223         MVTV-AS1, US
    AS18820         SARGENTO-AS-0, US
    AS32149         WEBTEAM, US
    AS32684         ARIENS, US
    AS27490         AGRACEHOSPICE-MSN-DR, US
    AS26776         VORTEX-OPTICS, US
    AS33596         BRUNSWICKCORPORATION, US
    AS33468         EOJ1, US
    AS36724         HCAS-3, US
    AS397171        GBP-01, US
    AS397697        WHE-ASN-01, US
    AS397670        CVCU-ASN, US
    AS396152        MC-AS, US
    AS393695        CRC-AS, US
    AS399329        ENDRIES-ASN-01, US
    AS398426        APOG-RIPON, US
    AS400013        WAUPACA-FOUNDRY-INC, US
    AS33753         WBMI, US
    AS401153        AGVANTAGE-HOSTING-01, US
    AS40433         AEBS-ASN, US
    AS46688         LANDSCAPE-STRUCTURES, US
    AS55208         NAVIT, US
    AS46774         MAYVI-AS, US
    AS402035        --No Registry Entry--
    AS40055         THE-DOUGLAS-STEWART-COMPANY, US
    AS26345         -Reserved AS-, ZZ
    AS23301         WISC-INVESTMENT-BOARD, US
    AS25958         MC-INT, US
    AS394621        DATAHOLDINGS-414-USA, US
    AS399071        BELLIN-MEMORIAL-HOSPITAL, US
    AS395526        REGALBELOIT-WAUSAU, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
8093  AS40264        ORG+TRN Originate:      15872 /18.05  Transit:     190976 /14.46 TWC-40264-WI-MN-UPPERMI-C3, 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       %
42606 AS40264       TWC-40264-WI-MN-UPPERMI-C3, US                    19      0      0     19      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  47.45.16.0/24        293 20115 40264        
  47.45.46.0/24        293 20115 40264        
  47.45.55.0/24        6939 20115 40264       
  47.45.59.0/24        293 20115 40264        
  76.58.8.0/21         293 7843 10796 40264   
  76.58.45.0/24        293 7843 10796 40264   
  76.58.48.0/22        293 7843 10796 40264   
  82.27.4.0/22         3257 20115 40264       
  82.27.12.0/22        3257 20115 40264       
  82.29.16.0/22        3257 20115 40264       
  82.29.32.0/22        3257 20115 40264       
  97.75.228.0/24       293 20115 40264        
  144.168.16.0/21      3257 20115 40264       
  192.62.232.0/21      293 7843 10796 40264   
  192.104.31.0/24      3257 20115 40264       
  198.184.26.0/24      3257 20115 40264       
  199.15.240.0/21      3257 20115 40264       
  204.176.194.0/24     3257 20115 40264       
  208.103.155.0/24     3257 20115 40264       

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

AS40264   19 More Specifics   23 Total Advertisements   TWC-40264-WI-MN-UPPERMI-C3, US
    24.106.0.0/24                 24.106.0.0/18
    24.177.131.0/24               24.176.0.0/13
    24.216.146.0/24               24.216.0.0/16
    47.45.16.0/24                 47.32.0.0/12
    47.45.55.0/24                 47.32.0.0/12
    47.45.59.0/24                 47.32.0.0/12
    71.13.140.0/23                71.8.0.0/13
    71.13.188.0/24                71.8.0.0/13
    71.87.0.0/24                  71.80.0.0/12
    75.141.73.0/24                75.128.0.0/12
    76.58.8.0/21                  76.32.0.0/11
    76.58.45.0/24                 76.32.0.0/11
    76.58.48.0/22                 76.32.0.0/11
    97.75.228.0/24                97.75.228.0/22
    97.87.221.0/24                97.80.0.0/12
    97.87.222.0/24                97.80.0.0/12
    128.92.44.0/24                128.92.0.0/16
    192.62.232.0/21               192.60.0.0/14
    204.176.194.0/24              204.176.0.0/14
    47.45.46.0/24                 47.32.0.0/12
    198.184.26.0/24               198.184.26.0/23
    198.184.27.0/24               198.184.26.0/23

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

    + 24.177.131.0/24             Announced
    + 24.216.146.0/24             Announced
    + 71.13.140.0/23              Announced
    + 71.13.188.0/24              Announced
    + 71.87.0.0/24                Announced
    + 97.87.221.0/24              Announced
    + 97.87.222.0/24              Announced
    + 128.92.44.0/24              Announced
    + 198.190.199.0/24            Announced
    - 47.45.46.0/24               Withdrawn
    - 198.184.26.0/24             Withdrawn
    - 198.184.27.0/24             Withdrawn

Bogus ASes Announced by this AS

Bogus AS		Announcing-AS
AS26345	Announced by	AS40264	TWC-40264-WI-MN-UPPERMI-C3 - Charter Communications LLC, US
AS30426	Announced by	AS40264	TWC-40264-WI-MN-UPPERMI-C3 - Charter Communications LLC, US

Whois Entry

whois: 402549

IANA has recorded AS40264 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS40264\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:       40264
             ASName:         TWC-40264-WI-MN-UPPERMI-C3
             ASHandle:       AS40264
             RegDate:        2017-07-25
             Updated:        2022-04-13
             Ref:            https://rdap.arin.net/registry/autnum/40264
             
             
             
             OrgName:        Charter Communications LLC
             OrgId:          CC04
             Address:        6175 S. Willow Dr
             City:           Greenwood Village
             StateProv:      CO
             PostalCode:     80111
             Country:        US
             RegDate:        
             Updated:        2025-02-10
             Ref:            https://rdap.arin.net/registry/entity/CC04
             
             
             OrgAbuseHandle: ABUSE19-ARIN
             OrgAbuseName:   Abuse
             OrgAbusePhone:  +1-877-777-2263 
             OrgAbuseEmail:  abuse@charter.net
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE19-ARIN
             
             OrgTechHandle: IPADD1-ARIN
             OrgTechName:   IPAddressing
             OrgTechPhone:  +1-866-248-7662 
             OrgTechEmail:  PublicIPAddressing@charter.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/IPADD1-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.
             #