ASN Lookup Tool

Comcast Cable Communications, LLC comcast.com US US 64 Routes

AS Data

AS33660

AS33660 – Comcast Cable Communications, LLC

AS Number 33660
AS Name CMCS
Organization Comcast Cable Communications, LLC (cccs)
Country US
Website comcast.com
Number of IPv4 Routes 10
Number of IPv6 Routes 54
ASN type ISP
Registry ARIN
Date Allocated 2005-02-16

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Use ASN data for AS33660 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
2001:559:c0ef::/48 ~1×10²⁴
2001:559:819d::/48 ~1×10²⁴
50.204.89.0/24 256
2001:559:57f::/48 ~1×10²⁴
2001:559:fa::/48 ~1×10²⁴
2001:559:c493::/48 ~1×10²⁴
2001:559:58c::/48 ~1×10²⁴
2001:559:5d8::/48 ~1×10²⁴
129.134.166.0/24 256
2001:559:c3f5::/48 ~1×10²⁴
2001:559:c54c::/48 ~1×10²⁴
2001:559:26c::/48 ~1×10²⁴
2001:559:c154::/48 ~1×10²⁴
2a03:2887:ff46::/48 ~1×10²⁴
2001:559:c173::/48 ~1×10²⁴
2001:559:8443::/48 ~1×10²⁴
2001:559:8329::/48 ~1×10²⁴
2001:559:3b3::/48 ~1×10²⁴
2001:559:82d4::/48 ~1×10²⁴
50.222.146.0/24 256
50.217.32.0/24 256
2001:559:c16d::/48 ~1×10²⁴
2001:559:8137::/48 ~1×10²⁴
2001:559:4a7::/48 ~1×10²⁴
2001:559:31a::/48 ~1×10²⁴
2001:559:85e0::/48 ~1×10²⁴
2001:559:86b6::/48 ~1×10²⁴
2001:559:8193::/48 ~1×10²⁴
2001:559:20a::/48 ~1×10²⁴
2001:559:2de::/48 ~1×10²⁴
2001:559:37f::/48 ~1×10²⁴
2001:559:4a9::/48 ~1×10²⁴
2a03:2887:ff47::/48 ~1×10²⁴
2001:559:3c4::/48 ~1×10²⁴
2001:559:c2e6::/48 ~1×10²⁴
2001:559:c348::/48 ~1×10²⁴
50.222.157.0/24 256
2001:559:8282::/48 ~1×10²⁴
2001:559:821b::/48 ~1×10²⁴
2001:559:3b2::/48 ~1×10²⁴
2001:559:8092::/48 ~1×10²⁴
2001:559:521::/48 ~1×10²⁴
2001:559:8460::/48 ~1×10²⁴
2001:559:2e4::/48 ~1×10²⁴
2001:559:29::/48 ~1×10²⁴
2001:559:fb::/48 ~1×10²⁴
50.207.68.0/24 256
129.134.167.0/24 256
2001:559:808a::/48 ~1×10²⁴
2001:559:83a6::/48 ~1×10²⁴
2001:559:8450::/48 ~1×10²⁴
50.224.25.0/24 256
50.237.123.0/24 256
2001:559:831b::/48 ~1×10²⁴
2001:559:8484::/48 ~1×10²⁴
2001:559:c28a::/48 ~1×10²⁴
2001:559:c285::/48 ~1×10²⁴
2001:559:82e8::/48 ~1×10²⁴
2001:559:8782::/48 ~1×10²⁴
2001:559:41a::/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:       33660
ASName:         CMCS
ASHandle:       AS33660
RegDate:        2005-02-16
Updated:        2021-01-25
Ref:            https://rdap.arin.net/registry/autnum/33660



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
AS26740 LifeWave, Inc. US
AS33741 Dennis Group US
AS395994 VECC US
AS11688 Lightstream Communications, Inc. US
AS55251 TaxHawk, Inc. US
AS27625 Ubiquiti Networks, Inc. US
AS397157 IANA - Autonomous System Number US
AS27480 Management & Training Corporation US
AS400988 Salt Lake County US
AS393557 Park City Municipal Corporation US
AS20229 Merrick Bank US
AS54113 Fastly, Inc. US
AS1000 LINK AMERICAN US
AS33173 Myriad Genetics Incorporated US
AS30639 Computer Marketing Corporation US
AS53882 Communitect, Inc US
AS400179 PDQ.com Corporation US
AS17150 America First Credit Union US
AS400284 Lifetime Products, Inc. US
AS23154 Sanmina SCI Corporation US
AS29960 Qualtrics LLC US
AS55018 Prime Holdings Insurance Services Inc US
AS19648 Corporation of the Presiding Bishop of the Church of Jesus Christ of Latter-day Saints US
AS399965 Jazz Basketball Investors LLC US
AS40644 Integra Financial Services, LLC US
AS399421 EDUCATORS MUTUAL INSURANCE ASSOCIATION US
AS14950 Larry H. Miller Dealerships US
AS402277 Miller Sports + Entertainment US
AS14034 Swire Pacific Holdings Inc. US
AS394185 Bank of Utah US
AS40505 Vivint, Inc US
AS14149 Icon Health & Fitness Inc US
AS23154 Sanmina-SCI Corporation US
AS11396 Williams Information Technology LLC US
AS29919 SELECT PORTFOLIO SERVICING INC US
AS11052 Intermountain Health Care, Inc. US
AS25655 Overstock.com US
AS402277 Miller Sports Entertainment US
AS46367 UTAH RETIREMENT SYSTEMS US
AS19477 F J Management Inc. US
AS393541 EXTRA SPACE STORAGE US
AS19648 Corporation of the Presiding Bishop of the Church of Jesus Christ of Latter day Saints US
AS54629 Associated Food Stores, Inc. US
AS11791 IdenTrust US
AS398140 WB Games Inc. US
AS27178 Practice Management Technologies and Services US
AS398374 Pro-Mark, LLC US
AS7922 Comcast Cable Communications, LLC US
AS394662 Unified Fire Authority US
AS13610 Provo Craft & Novelty, Inc. US
AS393940 Ultradent Products Inc US
AS54308 RETOUCHUP.COM US
AS16785 USANA Inc US
AS393459 Domo, Inc. US
AS54977 Merit Medical Systems, Inc US
AS29864 Sportsman's Warehouse, Inc. US
AS398374 Pro Mark, LLC US
AS32230 Prestige Financial Services US
AS17206 Mountain America Credit Union US
AS399885 Evans & Sutherland Computer Corporation US

Upstreams

AS Number Description Country
AS3356 Level 3 Parent, LLC US
AS7922 Comcast Cable Communications, LLC US

Downstreams

AS Number Description Country
AS26740 LifeWave, Inc. US
AS33741 Dennis Group US
AS395994 VECC US
AS11688 Lightstream Communications, Inc. US
AS55251 TaxHawk, Inc. US
AS27625 Ubiquiti Networks, Inc. US
AS397157 IANA - Autonomous System Number US
AS27480 Management & Training Corporation US
AS400988 Salt Lake County US
AS393557 Park City Municipal Corporation 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 AS33660 is an Autonomous System Number used to identify a network for BGP internet routing.
AS33660 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.