ASN Lookup Tool

Comcast Cable Communications, LLC comcast.com US US 22 Routes

AS Data

AS33661

AS33661 – Comcast Cable Communications, LLC

AS Number 33661
AS Name CMCS
Organization Comcast Cable Communications, LLC (cccs)
Country US
Website comcast.com
Number of IPv4 Routes 7
Number of IPv6 Routes 15
ASN type ISP
Registry ARIN
Date Allocated 2005-02-16

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Use ASN data for AS33661 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
2001:559:87d4::/48 ~1×10²⁴
2001:559:864f::/48 ~1×10²⁴
2001:559:c4b9::/48 ~1×10²⁴
50.226.0.0/24 256
2001:559:85d6::/48 ~1×10²⁴
50.228.116.0/24 256
50.227.97.0/24 256
2001:559:c202::/48 ~1×10²⁴
2001:559:731::/48 ~1×10²⁴
2001:559:878c::/48 ~1×10²⁴
2001:559:830d::/48 ~1×10²⁴
50.220.33.0/24 256
50.218.97.0/24 256
2001:559:8320::/48 ~1×10²⁴
2001:559:c22b::/48 ~1×10²⁴
2001:559:4ed::/48 ~1×10²⁴
50.237.76.0/24 256
2001:559:c4ea::/48 ~1×10²⁴
2001:559:4ee::/48 ~1×10²⁴
2001:559:135::/48 ~1×10²⁴
50.236.155.0/24 256
2001:559:8462::/48 ~1×10²⁴

Raw Whois Response

#
# 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:       33661
ASName:         CMCS
ASHandle:       AS33661
RegDate:        2005-02-16
Updated:        2021-01-25
Ref:            https://rdap.arin.net/registry/autnum/33661



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.
#

Parsed Whois Response

Peers

AS Number Description Country
AS63264 Alternative Choice Wireless, LLC US
AS46999 Crews Banking Corporation US
AS26876 chico's fas inc US
AS398641 Community Health Centers, Inc. US
AS23542 Florida's Natural Growers, Inc. US
AS63402 Universal Orlando US
AS396291 NCH Healthcare System, Inc. US
AS396910 Lee County Port Authority US
AS46576 Loews Hotels at Universal Orlando US
AS398743 The Nemours Foundation US
AS30415 Sarasota County Government US
AS401671 ACCESSPARKS LLC US
AS36763 Hearst-Argyle Television, Inc. US
AS53937 Sarasota Memorial Hospital US
AS54119 WhiteSky Communications, LLC. US
AS36040 Google LLC US
AS54113 Fastly, Inc. US
AS17035 NBCUniversal US
AS395036 City of Sanibel US
AS36763 Hearst Argyle Television, Inc. US
AS395659 SeaWorld Parks & Entertainment, Inc. US
AS6931 Ringling College of Art and Design US
AS53445 The Villages Health US
AS7922 Comcast Cable Communications, LLC US

Upstreams

AS Number Description Country
AS7922 Comcast Cable Communications, LLC US

Downstreams

AS Number Description Country
AS63264 Alternative Choice Wireless, LLC US
AS46999 Crews Banking Corporation US
AS26876 chico's fas inc US
AS398641 Community Health Centers, Inc. US
AS23542 Florida's Natural Growers, Inc. US
AS63402 Universal Orlando US
AS396291 NCH Healthcare System, Inc. US
AS396910 Lee County Port Authority US
AS46576 Loews Hotels at Universal Orlando US
AS398743 The Nemours Foundation US

Contacts

Email Contacts

routing@comcast.com CNIPEO-Ip-registration@cable.comcast.com

Abuse Contacts

abuse@comcast.net

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Frequently Asked Questions

ASN AS33661 is an Autonomous System Number used to identify a network for BGP internet routing.
AS33661 is listed under Comcast Cable Communications, LLC.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.