Report for 12270

Name

TWC-12270-NA - 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 AS4637) 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.

12270 RR-TEXAS-ELPASO-ASN - TimeWarnerCable-ServiceCo-LLC-RoadRunner-ELPASO

  Adjacency:     2  Upstream:     1  Downstream:     1
  Upstream Adjacent AS list
    AS11427   SCRR-11427 - Road Runner HoldCo LLC
  Downstream Adjacent AS list
    AS1222    EPCC-AS - EL PASO COMMUNITY COLLEGE

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
3222  AS12270  ORG+TRN Originate:      53504 /16.29  Transit:        512 /23.00 RR-TEXAS-ELPASO-ASN - TimeWarnerCable-ServiceCo-LLC-RoadRunner-ELPASO

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       %
 9495 AS12270 RR-TEXAS-ELPASO-ASN - TimeWarnerCable-Se      9      0      0      9      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  24.28.160.0/19       4637 3356 11427 12270   
  24.92.96.0/19        4637 3356 11427 12270   
  24.162.192.0/19      4637 3356 11427 12270   
  24.174.192.0/19      4637 3356 11427 12270   
  24.242.0.0/19        4637 3356 11427 12270   
  67.9.224.0/20        4637 3356 11427 12270   
  67.10.96.0/20        4637 3356 11427 12270   
  204.238.72.0/24      4637 3356 11427 12270   
  216.248.224.0/20     4637 3356 11427 12270   

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

AS12270   7 More Specifics   9 Total Advertisements   RR-TEXAS-ELPASO-ASN - TimeWarnerCable-ServiceCo-LLC-RoadRunner-ELPASO
    24.28.160.0/19                24.28.0.0/15
    24.92.96.0/19                 24.92.0.0/17
    24.162.192.0/19               24.160.0.0/13
    24.174.192.0/19               24.174.0.0/15
    24.242.0.0/19                 24.242.0.0/15
    67.9.224.0/20                 67.8.0.0/14
    67.10.96.0/20                 67.8.0.0/14

Whois Entry

whois: 402332

IANA has recorded AS12270 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS12270\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:       12270
             ASName:         TWC-12270-TVRO
             ASHandle:       AS12270
             RegDate:        1999-05-07
             Updated:        2026-04-07
             Ref:            https://rdap.arin.net/registry/autnum/12270
             
             
             
             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.
             #