Report for 14042

Name

COMCAST-COMM-MGT-1 - Comcast Cable Communications Management, 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 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.

14042 COMCAST-COMM-MGT-1 - Comcast Cable Communications Management, LLC, US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS6461          ZAYO-6461 - Zayo Bandwidth, US
    AS3361          DF-TUKWILA01 - Digital Fortress, Inc., US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
30368 AS14042        ORIGIN  Originate:       1536 /21.42  Transit:          0 /0.00  COMCAST-COMM-MGT-1 - Comcast Cable Communications Management, LLC, 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       %
33758 AS14042       COMCAST-COMM-MGT-1 - Comcast Cable Communicat      3      0      0      3      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  199.27.170.0/23      4777 2497 3356 14042   
  208.79.64.0/23       4777 2497 3356 14042 14042   
  208.79.66.0/23       4608 7575 3361 14042   

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

AS14042   3 More Specifics   3 Total Advertisements   COMCAST-COMM-MGT-1 - Comcast Cable Communications Management, LLC, US
    199.27.170.0/23               199.27.168.0/22
    208.79.64.0/23                208.79.64.0/22
    208.79.66.0/23                208.79.64.0/22

Whois Entry

whois: 402332

IANA has recorded AS14042 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS14042\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:       14042
             ASName:         COMCAST-COMM-MGT-1
             ASHandle:       AS14042
             RegDate:        2007-06-12
             Updated:        2019-09-12
             Ref:            https://rdap.arin.net/registry/autnum/14042
             
             
             OrgName:        Comcast Cable Communications Management, LLC
             OrgId:          CCCML-3
             Address:        Comcast Center 
             Address:        1701 JFK Blvd
             City:           Philadelphia
             StateProv:      PA
             PostalCode:     19103
             Country:        US
             RegDate:        2019-08-23
             Updated:        2021-05-10
             Ref:            https://rdap.arin.net/registry/entity/CCCML-3
             
             
             OrgTechHandle: IC161-ARIN
             OrgTechName:   Comcast Cable Communications Inc
             OrgTechPhone:  +1-856-792-2300 
             OrgTechEmail:  CNIPEO-Ip-registration@cable.comcast.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/IC161-ARIN
             
             OrgRoutingHandle: ROUTI25-ARIN
             OrgRoutingName:   Routing
             OrgRoutingPhone:  +1-856-792-2300 
             OrgRoutingEmail:  routing@comcast.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROUTI25-ARIN
             
             OrgAbuseHandle: NAPO-ARIN
             OrgAbuseName:   Network Abuse and Policy Observance
             OrgAbusePhone:  +1-888-565-4329 
             OrgAbuseEmail:  abuse@comcast.net
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NAPO-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.
             #