Report for 22909

Name

COMCAST-22909 - Comcast Cable 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 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.

22909 COMCAST-22909 - Comcast Cable Communications, LLC, US

  Adjacency:    20  Upstream:     1  Downstream:    19
  Upstream Adjacent AS list
    AS7922          COMCAST-7922 - Comcast Cable Communications, LLC, US
  Downstream Adjacent AS list
    AS32096         KUB-NET - Knoxville Utilities Board, US
    AS11086         PITNEYBOWES-AS-1 - Pitney Bowes Incorporated, US
    AS11297         LIPSCOMB - Lipscomb University, US
    AS17123         TEAM-HEALTH - Team Health, Inc., US
    AS19685         HCIS-1 - CSI Telecom Group, Inc, US
    AS23156         VG-NET-01 - The Vincit Group, US
    AS26992         UHG-CIMPLIFY - CIMplify, US
    AS26335         MTSU - Middle Tennessee State University, US
    AS393453        SMILEDIRECTCLUB-1 - Smile Direct Club, LLC, US
    AS395665        EDFINANCIAL-SERVICES-LLC - EDFINANCIAL SERVICES, LLC, US
    AS32104         WELLMONT-TN - Wellmont Health System, US
    AS399961        BELMONT-UNIVERSITY - Belmont University, US
    AS25712         CSIPADKY - Computer Services Inc, US
    AS400386        APOG-MHMC - Apogee Telecom Inc., US
    AS4374          CKE-RESTAURANTS - CKE Restaurants Holdings, Inc., US
    AS400962        FOURTEEN-FOODS-01 - Fourteen Foods, LLC, US
    AS62958         ADT-LLC - ADT LLC, US
    AS46512         UT-MEDICAL-CENTER - University of Tennessee Medical Center, US
    AS19841         ISNS1 - ISNS, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
30113 AS22909        ORG+TRN Originate:       1536 /21.42  Transit:      78592 /15.74 COMCAST-22909 - Comcast Cable Communications, 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       %
35977 AS22909       COMCAST-22909 - Comcast Cable Communications,      6      0      0      6      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  50.201.4.0/24        4777 2516 7922 22909   
  50.202.69.0/24       4777 2516 7922 22909   
  50.216.148.0/24      4777 2516 7922 22909   
  50.221.219.0/24      4777 2516 7922 22909   
  50.231.153.0/24      4777 2516 7922 22909   
  50.232.105.0/24      4777 2516 7922 22909   

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

AS22909   6 More Specifics   6 Total Advertisements   COMCAST-22909 - Comcast Cable Communications, LLC, US
    50.201.4.0/24                 50.128.0.0/9
    50.202.69.0/24                50.128.0.0/9
    50.216.148.0/24               50.128.0.0/9
    50.221.219.0/24               50.128.0.0/9
    50.231.153.0/24               50.128.0.0/9
    50.232.105.0/24               50.128.0.0/9

Whois Entry

whois: 402332

IANA has recorded AS22909 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS22909\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:       22909
             ASName:         COMCAST-22909
             ASHandle:       AS22909
             RegDate:        2001-12-12
             Updated:        2021-01-25
             Ref:            https://rdap.arin.net/registry/autnum/22909
             
             
             
             OrgName:        Comcast Cable Communications, LLC
             OrgId:          CCCS
             Address:        1800 Bishops Gate Blvd
             City:           Mt Laurel
             StateProv:      NJ
             PostalCode:     08054
             Country:        US
             RegDate:        2001-09-18
             Updated:        2020-11-18
             Ref:            https://rdap.arin.net/registry/entity/CCCS
             
             
             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.
             #