Report for 11351

Name

TWC-11351-NORTHEAST - Charter Communications 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.

11351 TWC-11351-NORTHEAST, US

  Adjacency:    90  Upstream:     2  Downstream:    88
  Upstream Adjacent AS list
    AS7828          DRMSCPASN, US
    AS7843          TWC-7843-BB, US
  Downstream Adjacent AS list
    AS18746         MIG-BGP, US
    AS26836         AS-MARCHESE-NET, US
    AS393962        BLC-ASN-01, US
    AS40757         MMG, US
    AS11076         COMMUNITY-COMPUTER-SERVICE-INC, US
    AS11847         OTT, US
    AS20330         NYS-UNIFIED-COURTS, US
    AS20359         PREFERREDMUTUALINSURANCECOMPANY, US
    AS22455         ESL-FCU, US
    AS22417         NYCM-FIRE-CO, US
    AS2903          MORIC, US
    AS31981         BLUETOWERHOSTING-ASN, US
    AS33177         AS33177, US
    AS33434         HAMILTON-COLLEGE, US
    AS393838        LPH-LIBERTYPUMPS, US
    AS394690        ESL-FARM-AS, US
    AS3576          AS-HODGSON-RUSS-NET, US
    AS396271        S-J-ROLLINS-TECHNOLOGIES, US
    AS395054        CDPHP, US
    AS33759         REGENERON, US
    AS33239         CIS-MSISAC, US
    AS31747         BLACKROCK-FINANCIAL-MANAGEMENT-2, US
    AS398086        SUNY-MORRISVILLE, US
    AS400000        PCB, US
    AS400057        UPSTATE-NIAGARA-COOP-2021, US
    AS396343        PRTNET, US
    AS40737         EMFINC-ASN1, US
    AS40625         TWC-WESTELCOM-MULTIHOMED, US
    AS46621         SCRIC, US
    AS46356         SBUEDU, US
    AS54471         AVH, US
    AS53943         PAYLOCITY, US
    AS62855         CMA-MISCNY, US
    AS55282         SUNYCANTON-AS, US
    AS7321          LNET-ASN, US
    AS92            CLARKSON-AS, US
    AS26854         NYS, US
    AS13602         I-EVOLVE-TECHNOLOGY-SERVICES-VTC, US
    AS10250         DATAFIVE, US
    AS11440         NETSVILLE, US
    AS13588         PAYCHEX, US
    AS14458         WORLDKITCHEN-1, US
    AS19345         SIMONS-ROCK-EDU-ASN01, US
    AS19368         SNS-COLO, US
    AS14437         FLEMING, US
    AS21806         NATIONAL-FUEL, US
    AS20337         SUNYPOLY-ASN, US
    AS2003          EPRI-PA, US
    AS14433         SUNY-OSWEGO-ASN, US
    AS22270         BANGOR-SAVINGS-BANK, US
    AS12120         AAO-AIO, US
    AS22970         MAINETECHCOLLEGESYS, US
    AS23086         POUNDBANG-HOSTING, US
    AS23525         CNC-CNB, US
    AS29968         ASN-NETSYNC, US
    AS30668         MADISONCOUNTYNY-01, US
    AS30080         ARNOLD-MAGNETIC-TECHNOLOGIES-CORP-BGP, US
    AS32117         BERKSHIRE-HEALTH-SYSTEMS, US
    AS30703         SHSC-1-AS, US
    AS394212        WMC, US
    AS33611         NUVO2, US
    AS395908        AMERICU-CREDITUNION, US
    AS397932        NYSA-ASN, US
    AS395015        SUNY-FREDONIA, US
    AS33004         SUNY-ESC, US
    AS400411        CHS, US
    AS400397        HERKIMER-COUNTY-COMMUNITY-COLLEGE, US
    AS39956         CCPASN, US
    AS25915         WSWHE-NET, US
    AS400931        ROCKOAK-ASN, US
    AS40069         AISNET, US
    AS402327        --No Registry Entry--
    AS46158         OCMBOCES, US
    AS40944         MASSCOL, US
    AS40229         MAINEHEALTH-MAINE-MEDICAL-CENTER, US
    AS23224         LIVINGSTONESGROUP, US
    AS46391         AS46391, US
    AS53519         CMHC-ASN, US
    AS53549         HUSSEY-SEATING, US
    AS53426         DNC, US
    AS46820         LRHNET1, US
    AS62630         AS62630, US
    AS63243         SYNERGENT, US
    AS7828          DRMSCPASN, US
    AS55032         JAXNET-BH-01, US
    AS53657         -Reserved AS-, ZZ
    AS46236         GUTHRIE-HEALTHCARE-SYSTEMS, US
    AS22390         XEROX-WB, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
151   AS11351        ORG+TRN Originate:    4323840 /9.96   Transit:     364800 /13.52 TWC-11351-NORTHEAST, 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       %
12265 AS11351       TWC-11351-NORTHEAST, US                          126      5      2    123      3   2.38%


  Prefix               AS Path                              Aggregation Suggestion
  24.24.0.0/18         293 7843 11351         
  24.25.128.0/18       293 7843 11351         
  24.29.32.0/19        293 7843 11351         
  24.29.64.0/19        293 7843 11351         
  24.30.240.0/20       293 7843 11351         
  24.31.128.0/19       293 7843 11351         
  24.39.0.0/18         293 7843 11351         
  24.39.64.0/19        293 7843 11351         
  24.39.96.0/21        293 7843 11351         
  24.39.160.0/19       293 7843 11351         
  24.39.192.0/18       293 7843 11351         
  24.58.0.0/15         293 7843 11351         
  24.92.32.0/19        293 7843 11351         
  24.92.224.0/19       293 7843 11351         
  24.93.0.0/19         293 7843 11351         
  24.93.128.0/19       293 7843 11351         
  24.94.32.0/19        293 7843 11351         
  24.97.0.0/16         293 7843 11351         
  24.103.128.0/18      293 7843 11351         
  24.103.192.0/19      293 7843 11351         
  24.105.160.0/19      293 7843 11351         
  24.169.0.0/17        293 7843 11351         
  24.198.0.0/16        293 7843 11351         
  24.213.128.0/19      293 7843 11351         
  24.213.184.0/21      293 7843 11351         
  24.213.192.0/18      293 7843 11351         
  45.46.0.0/15         293 7843 11351         
  47.231.32.0/19       293 7843 11351         
  47.231.96.0/20       293 7843 11351         
  50.75.0.0/17         293 7843 11351         
  50.75.128.0/18       293 7843 11351         
  64.30.240.0/20       293 7843 11351         
  65.185.244.0/24      293 7843 11351         
  66.24.0.0/16         293 7843 11351         
  66.66.0.0/15         293 7843 11351         
  67.240.0.0/15        293 7843 11351         
  67.242.0.0/16        293 7843 11351         
  67.244.32.0/19       293 7843 11351         
  67.244.128.0/17      293 7843 11351         
  67.246.0.0/16        293 7843 11351         
  67.247.64.0/19       293 7843 11351         
  67.247.128.0/17      293 7843 11351         
  67.248.0.0/15        293 7843 11351         
  67.251.0.0/17        293 7843 11351         
  67.252.0.0/15        293 7843 11351         
  67.255.0.0/16        293 7843 11351         
  68.172.0.0/17        293 7843 11351         
  68.172.128.0/18      293 7843 11351         
  68.172.192.0/20      293 7843 11351         
  68.175.128.0/17      293 7843 11351         
  69.193.0.0/17        293 7843 11351         
  69.200.0.0/18        293 7843 11351         
  69.200.96.0/19       293 7843 11351         
  69.201.0.0/17        293 7843 11351         
  69.204.0.0/17        6939 7843 11351        
  69.204.128.0/18      293 7843 11351         
  69.204.192.0/19      293 7843 11351         
  69.205.192.0/22      293 7843 11351         
  69.207.0.0/16        293 7843 11351         
  71.65.32.0/21        293 7843 11351       + Announce - aggregate of 71.65.32.0/22 (293 7843 11351) and 71.65.36.0/22 (293 7843 11351)
  71.65.32.0/23        293 7843 11351       - Withdrawn - aggregated with 71.65.34.0/23 (293 7843 11351)
  71.65.34.0/23        293 7843 11351       - Withdrawn - aggregated with 71.65.32.0/23 (293 7843 11351)
  71.65.36.0/22        293 7843 11351       - Withdrawn - aggregated with 71.65.32.0/22 (293 7843 11351)
  72.43.0.0/18         293 7843 11351         
  72.43.64.0/19        293 7843 11351         
  72.43.192.0/18       293 7843 11351         
  72.45.128.0/17       293 7843 11351         
  72.224.0.0/16        293 7843 11351         
  72.225.0.0/18        293 7843 11351         
  72.226.128.0/17      293 7843 11351         
  72.227.0.0/17        293 7843 11351         
  72.228.0.0/16        293 7843 11351         
  72.230.0.0/16        293 7843 11351         
  72.231.128.0/17      293 7843 11351         
  74.65.0.0/17         293 7843 11351         
  74.65.128.0/18       293 7843 11351         
  74.67.0.0/16         293 7843 11351         
  74.69.0.0/16         293 7843 11351         
  74.70.0.0/16         293 7843 11351         
  74.74.64.0/18        293 7843 11351         
  74.74.128.0/17       293 7843 11351         
  74.75.0.0/16         293 7843 11351         
  74.76.0.0/14         293 7843 11351         
  76.37.0.0/16         293 7843 11351         
  76.38.128.0/17       293 7843 11351         
  76.58.20.0/22        293 7843 11351       + Announce - aggregate of 76.58.20.0/23 (293 7843 11351) and 76.58.22.0/23 (293 7843 11351)
  76.58.20.0/23        293 7843 11351       - Withdrawn - aggregated with 76.58.22.0/23 (293 7843 11351)
  76.58.22.0/23        293 7843 11351       - Withdrawn - aggregated with 76.58.20.0/23 (293 7843 11351)
  76.178.192.0/18      293 7843 11351         
  76.179.0.0/16        293 7843 11351         
  76.180.0.0/16        6939 7843 11351        
  98.0.0.0/17          293 7843 11351         
  98.1.0.0/16          293 7843 11351         
  98.2.0.0/15          293 7843 11351         
  98.4.0.0/15          293 7843 11351         
  98.10.0.0/15         293 7843 11351         
  98.13.0.0/17         293 7843 11351         
  104.228.0.0/15       293 7843 11351         
  108.176.64.0/18      293 7843 11351         
  108.176.192.0/18     293 7843 11351         
  136.223.36.0/24      293 7843 11351         
  137.124.10.0/24      293 7843 11351         
  142.105.128.0/17     293 7843 11351         
  150.154.0.0/16       6939 7843 11351        
  150.221.0.0/18       293 7843 11351         
  150.224.246.0/23     293 7843 11351         
  154.16.42.0/24       293 7843 11351         
  168.148.96.0/19      293 7843 11351         
  172.100.0.0/15       293 7843 11351         
  184.74.0.0/17        293 7843 11351         
  184.153.128.0/17     293 7843 11351         
  192.31.156.0/24      293 7843 11351         
  192.67.10.0/24       293 7843 11351         
  192.149.230.0/24     293 7843 11351         
  192.188.5.0/24       293 7843 11351         
  198.179.96.0/19      293 7843 11351         
  198.255.128.0/17     293 7843 11351         
  199.29.192.0/24      293 7843 11351         
  199.120.152.0/24     293 7843 11351         
  204.210.64.0/19      293 7843 11351         
  207.251.224.0/21     293 7843 11351         
  207.251.232.0/22     293 7843 11351         
  207.251.236.0/23     293 7843 11351         
  208.105.96.0/19      293 7843 11351         
  208.105.128.0/17     293 7843 11351         
  208.125.32.0/19      293 7843 11351         
  208.125.64.0/18      293 7843 11351         
  208.125.128.0/17     293 7843 11351         

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

AS11351   141 More Specifics   167 Total Advertisements   TWC-11351-NORTHEAST, US
    24.24.0.0/18                  24.24.0.0/14
    24.25.128.0/18                24.24.0.0/14
    24.29.32.0/19                 24.28.0.0/15
    24.29.64.0/19                 24.28.0.0/15
    24.30.240.0/20                24.30.224.0/19
    24.31.128.0/19                24.31.128.0/17
    24.39.0.0/18                  24.39.0.0/16
    24.39.58.0/24                 24.39.0.0/16
    24.39.64.0/19                 24.39.0.0/16
    24.39.96.0/21                 24.39.0.0/16
    24.39.160.0/19                24.39.0.0/16
    24.39.192.0/18                24.39.0.0/16
    24.92.32.0/19                 24.92.0.0/17
    24.92.224.0/19                24.92.192.0/18
    24.93.0.0/19                  24.93.0.0/16
    24.93.128.0/19                24.93.0.0/16
    24.94.32.0/19                 24.94.0.0/15
    24.97.209.0/24                24.97.0.0/16
    24.103.128.0/18               24.103.0.0/16
    24.103.192.0/19               24.103.0.0/16
    24.105.160.0/19               24.105.128.0/18
    24.169.0.0/17                 24.168.0.0/15
    24.198.64.0/18                24.198.0.0/16
    24.198.128.0/17               24.198.0.0/16
    24.213.128.0/19               24.213.128.0/17
    24.213.184.0/21               24.213.128.0/17
    24.213.192.0/18               24.213.128.0/17
    47.231.32.0/19                47.224.0.0/13
    47.231.96.0/20                47.224.0.0/13
    50.75.0.0/17                  50.74.0.0/15
    50.75.128.0/19                50.74.0.0/15
    50.75.160.0/19                50.74.0.0/15
    64.57.176.0/24                64.57.176.0/20
    64.57.177.0/24                64.57.176.0/20
    64.57.178.0/24                64.57.176.0/20
    64.57.179.0/24                64.57.176.0/20
    64.57.180.0/24                64.57.176.0/20
    64.57.182.0/24                64.57.176.0/20
    64.57.184.0/24                64.57.176.0/20
    64.57.185.0/24                64.57.176.0/20
    65.185.244.0/24               65.184.0.0/13
    66.65.192.0/18                66.65.0.0/16
    67.240.0.0/15                 67.240.0.0/12
    67.242.0.0/16                 67.240.0.0/12
    67.244.32.0/19                67.240.0.0/12
    67.244.128.0/17               67.240.0.0/12
    67.244.192.0/18               67.240.0.0/12
    67.246.0.0/16                 67.240.0.0/12
    67.247.64.0/19                67.240.0.0/12
    67.247.128.0/17               67.240.0.0/12
    67.248.0.0/15                 67.240.0.0/12
    67.251.0.0/17                 67.240.0.0/12
    67.251.160.0/19               67.240.0.0/12
    67.252.0.0/15                 67.240.0.0/12
    67.255.0.0/19                 67.240.0.0/12
    67.255.32.0/19                67.240.0.0/12
    67.255.64.0/18                67.240.0.0/12
    67.255.128.0/19               67.240.0.0/12
    67.255.160.0/19               67.240.0.0/12
    67.255.192.0/18               67.240.0.0/12
    68.172.0.0/17                 68.172.0.0/14
    68.172.128.0/18               68.172.0.0/14
    68.172.192.0/20               68.172.0.0/14
    68.175.128.0/17               68.172.0.0/14
    69.193.0.0/17                 69.193.0.0/16
    69.200.0.0/18                 69.200.0.0/13
    69.200.96.0/19                69.200.0.0/13
    69.200.128.0/18               69.200.0.0/13
    69.200.160.0/19               69.200.0.0/13
    69.200.192.0/19               69.200.0.0/13
    69.201.0.0/17                 69.200.0.0/13
    69.202.0.0/17                 69.200.0.0/13
    69.203.160.0/19               69.200.0.0/13
    69.204.0.0/17                 69.200.0.0/13
    69.204.128.0/18               69.200.0.0/13
    69.204.192.0/19               69.200.0.0/13
    69.205.192.0/22               69.200.0.0/13
    69.207.0.0/16                 69.200.0.0/13
    71.65.32.0/23                 71.64.0.0/12
    71.65.34.0/23                 71.64.0.0/12
    71.65.36.0/22                 71.64.0.0/12
    72.43.0.0/18                  72.43.0.0/16
    72.43.64.0/19                 72.43.0.0/16
    72.43.192.0/18                72.43.0.0/16
    72.224.0.0/16                 72.224.0.0/13
    72.225.0.0/18                 72.224.0.0/13
    72.226.128.0/17               72.224.0.0/13
    72.227.0.0/17                 72.224.0.0/13
    72.228.0.0/16                 72.224.0.0/13
    72.230.0.0/16                 72.224.0.0/13
    72.231.128.0/17               72.224.0.0/13
    74.65.0.0/17                  74.64.0.0/12
    74.65.128.0/18                74.64.0.0/12
    74.67.0.0/16                  74.64.0.0/12
    74.69.0.0/16                  74.64.0.0/12
    74.70.0.0/16                  74.64.0.0/12
    74.74.64.0/18                 74.64.0.0/12
    74.74.128.0/17                74.64.0.0/12
    74.75.0.0/16                  74.64.0.0/12
    74.76.0.0/14                  74.64.0.0/12
    76.37.0.0/16                  76.32.0.0/11
    76.38.128.0/17                76.32.0.0/11
    76.58.16.0/22                 76.32.0.0/11
    76.58.20.0/23                 76.32.0.0/11
    76.58.22.0/23                 76.32.0.0/11
    98.0.0.0/17                   98.0.0.0/12
    98.1.0.0/16                   98.0.0.0/12
    98.2.0.0/15                   98.0.0.0/12
    98.4.0.0/15                   98.0.0.0/12
    98.10.0.0/15                  98.0.0.0/12
    98.13.0.0/17                  98.0.0.0/12
    108.176.64.0/18               108.176.0.0/17
    108.176.192.0/18              108.176.128.0/17
    108.183.0.0/16                108.182.0.0/15
    136.223.36.0/24               136.223.0.0/16
    137.124.10.0/24               137.124.0.0/16
    142.105.128.0/17              142.105.0.0/16
    142.254.208.0/20              142.254.128.0/17
    150.155.0.0/18                150.155.0.0/16
    150.155.64.0/19               150.155.0.0/16
    150.155.96.0/20               150.155.0.0/16
    150.155.112.0/21              150.155.0.0/16
    150.155.120.0/22              150.155.0.0/16
    150.155.128.0/17              150.155.0.0/16
    150.221.0.0/18                150.221.0.0/16
    184.74.0.0/17                 184.74.0.0/16
    184.153.128.0/17              184.152.0.0/15
    192.235.16.0/21               192.235.16.0/20
    198.179.96.0/19               198.179.64.0/18
    198.255.128.0/18              198.255.128.0/17
    198.255.192.0/18              198.255.128.0/17
    199.29.192.0/24               199.29.0.0/16
    204.210.64.0/19               204.210.0.0/16
    207.251.224.0/21              207.251.224.0/20
    207.251.232.0/22              207.251.224.0/20
    207.251.236.0/23              207.251.224.0/20
    208.105.96.0/19               208.105.0.0/16
    208.105.128.0/17              208.105.0.0/16
    208.125.32.0/19               208.125.0.0/16
    208.125.64.0/18               208.125.0.0/16
    208.125.128.0/17              208.125.0.0/16
    154.16.42.0/24                154.16.0.0/16

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

    + 64.57.176.0/24              Announced
    + 64.57.177.0/24              Announced
    + 64.57.178.0/24              Announced
    + 64.57.179.0/24              Announced
    + 64.57.180.0/24              Announced
    + 64.57.182.0/24              Announced
    + 64.57.184.0/24              Announced
    + 64.57.185.0/24              Announced
    + 76.58.16.0/22               Announced
    + 150.155.0.0/18              Announced
    + 150.155.64.0/19             Announced
    + 150.155.96.0/20             Announced
    + 150.155.112.0/21            Announced
    + 150.155.120.0/22            Announced
    + 150.155.128.0/17            Announced
    + 192.235.16.0/21             Announced
    - 154.16.42.0/24              Withdrawn

Bogus Prefixes Announced by this AS

Prefix	Origin AS	AS Description	Unallocated block
192.149.230.0/24	AS11351	TWC-11351-NORTHEAST - Charter Communications Inc, US	192.149.230.0 - 192.149.230.255

Bogus ASes Announced by this AS

Bogus AS		Announcing-AS
AS53657	Announced by	AS11351	TWC-11351-NORTHEAST - Charter Communications Inc, US
AS395908	Announced by	AS11351	TWC-11351-NORTHEAST - Charter Communications Inc, US

Whois Entry

whois: 402549

IANA has recorded AS11351 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS11351\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:       11351
             ASName:         TWC-11351-NORTHEAST
             ASHandle:       AS11351
             RegDate:        1998-07-14
             Updated:        2018-11-27
             Ref:            https://rdap.arin.net/registry/autnum/11351
             
             
             
             OrgName:        Charter Communications Inc
             OrgId:          CC-3517
             Address:        6175 S. Willow Dr
             City:           Greenwood Village
             StateProv:      CO
             PostalCode:     80111
             Country:        US
             RegDate:        2018-10-10
             Updated:        2022-09-14
             Comment:        Legacy Time Warner Cable IP Assets
             Ref:            https://rdap.arin.net/registry/entity/CC-3517
             
             
             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.
             #