
Report for 33654
Name
CMCS - 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.
33654 CMCS - Comcast Cable Communications, LLC, US
Adjacency: 10 Upstream: 1 Downstream: 9
Upstream Adjacent AS list
AS7922 COMCAST-7922 - Comcast Cable Communications, LLC, US
Downstream Adjacent AS list
AS30331 ST-VINCENT - St. Vincent Hospital, US
AS11710 ABBATECH - ABBA TECHNOLOGIES, US
AS394997 NEXUM-ABQ-ASN - Nexum, Inc., US
AS394037 RIOCITIES-INTERNET - RIO CITIES, US
AS400445 NUSENDA-ADMIN-01 - NUSENDA FEDERAL CREDIT UNION, US
AS62621 -Reserved AS-, ZZ
AS401002 NM-NOC-CONN-01 - Bridgers & Paxton Consulting Engineers, Inc., US
AS397167 PHS-NM - Presbyterian Healthcare Services, US
AS31883 TIM-2300 - Thornburg Investment Management Inc., US
Announced Prefixes
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description
77931 AS33654 TRANSIT Originate: 0 /0.00 Transit: 3584 /20.19 CMCS - Comcast Cable Communications, LLC, US
Bogus ASes Announced by this AS
| Bogus AS | | Announcing-AS |
| AS62621 | Announced by | AS33654 | CMCS - Comcast Cable Communications, LLC, US |
Whois Entry
whois: 402332
IANA has recorded AS33654 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS33654\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/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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ASNumber: 33654
ASName: CMCS
ASHandle: AS33654
RegDate: 2005-02-16
Updated: 2021-01-25
Ref: https://rdap.arin.net/registry/autnum/33654
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.
#
as-report v4.4 (gih) 24/02/14