ASN Lookup Tool

Comcast Cable Communications, LLC comcast.com US US 340 Routes

AS Data

AS33491

AS33491 – Comcast Cable Communications, LLC

AS Number 33491
AS Name COMCAST-33491
Organization Comcast Cable Communications, LLC (cccs)
Country US
Website comcast.com
Number of IPv4 Routes 81
Number of IPv6 Routes 202
ASN type ISP
Registry ARIN
Date Allocated 2004-12-30

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Use ASN data for AS33491 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
50.220.188.0/24 256
68.87.232.0/23 512
50.218.78.0/24 256
2001:558:6033::/48 ~1×10²⁴
2001:559:c430::/48 ~1×10²⁴
2001:559:228::/48 ~1×10²⁴
2001:559:1e5::/48 ~1×10²⁴
2001:559:87f7::/48 ~1×10²⁴
2001:559:bd::/48 ~1×10²⁴
2001:559:87bc::/48 ~1×10²⁴
50.201.191.0/24 256
2001:559:8447::/48 ~1×10²⁴
50.232.95.0/24 256
2001:559:848a::/48 ~1×10²⁴
68.86.37.0/24 256
2001:559:221::/48 ~1×10²⁴
204.68.241.0/24 256
2001:559:8756::/48 ~1×10²⁴
50.220.116.0/24 256
50.229.76.0/22 1024
2001:559:81f6::/48 ~1×10²⁴
2001:559:8619::/48 ~1×10²⁴
2001:559:8108::/48 ~1×10²⁴
2001:559:204::/48 ~1×10²⁴
209.153.0.0/18 16384
50.204.23.0/24 256
2001:559:8019::/48 ~1×10²⁴
2001:559:8649::/48 ~1×10²⁴
164.68.88.0/22 1024
2001:559:c228::/48 ~1×10²⁴
50.231.36.0/24 256
71.239.0.0/16 65536
66.208.194.0/24 256
74.92.188.0/22 1024
2001:559:c05d::/48 ~1×10²⁴
2001:559:2a5::/48 ~1×10²⁴
67.173.128.0/18 16384
50.219.59.0/24 256
68.58.128.0/19 8192
74.94.96.0/19 8192
2001:559:7ca::/48 ~1×10²⁴
2001:559:873f::/48 ~1×10²⁴
2001:559:792::/48 ~1×10²⁴
2001:559:c21d::/48 ~1×10²⁴
2001:559:872d::/48 ~1×10²⁴
2001:559:c205::/48 ~1×10²⁴
67.167.0.0/17 32768
2001:559:311::/48 ~1×10²⁴
2001:559:c186::/48 ~1×10²⁴
68.53.176.0/20 4096
74.93.44.0/23 512
107.0.212.0/24 256
67.176.128.0/17 32768
2001:558:5005::/48 ~1×10²⁴
2001:559:3fa::/48 ~1×10²⁴
68.57.192.0/18 16384
2001:559:15d::/48 ~1×10²⁴
50.235.155.0/24 256
2001:559:26::/48 ~1×10²⁴
74.94.90.0/23 512

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:       33491
ASName:         COMCAST-33491
ASHandle:       AS33491
RegDate:        2004-12-30
Updated:        2021-01-25
Ref:            https://rdap.arin.net/registry/autnum/33491



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


OrgRoutingHandle: ROUTI25-ARIN
OrgRoutingName:   Routing
OrgRoutingPhone:  +1-856-792-2300 
OrgRoutingEmail:  routing@comcast.com
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROUTI25-ARIN

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

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
AS394257 Springfield Clinic, LLP US
AS10425 NULL ORG
AS54201 We Link Networks LLC US
AS399514 Horizon Bank US
AS27358 TRUSTMARK INSURANCE CO. US
AS32321 NEWARK NET US
AS26912 Northwest Community Hospital US
AS32280 The E.W. Scripps Company US
AS36443 Aunalytics, Inc US
AS21611 Wilson Sporting Goods Co. US
AS395451 HostIT Servers US
AS55037 Busey Bank US
AS394812 Decatur County E911 Board US
AS16627 Board of Commissioners of the County of Allen US
AS54971 Brown Technologies, LLC US
AS396525 Grecian Delight Foods, Inc US
AS398421 Southwest Allen County Schools US
AS22034 MCMASTER CARR SUPPLY COMPANY US
AS19980 Career Education Corporation US
AS400718 Fort Wayne Community Schools US
AS46246 Raptor Engineering, LLC US
AS30278 Equity Residential US
AS4917 AMDOCS Inc. US
AS26950 Lippert Components Manufacturing, Inc. US
AS63207 Lakeshore Bone & Joint, Institute P.C. US
AS393708 4EOS US
AS401245 GOSHEN HEALTH US
AS394926 The Reynolds and Reynolds Company US
AS20310 Illinois Tool Works US
AS40417 Interactions Corporation US
AS22289 CEFCU US
AS400505 HARRIS & HARRIS, LTD. US
AS395505 iManage, LLC US
AS12250 EDWARD HEALTH SERVICE CORP US
AS20452 BALL STATE UNIVERSITY US
AS20429 Guitar Center US
AS11739 Digital Fortress, Inc. US
AS47020 Data Cave US
AS26966 Spraying Systems Co. US
AS393505 Centra Credit Union US
AS399553 Trustmark Health Benefits US
AS63206 INOVA Federal Credit Union US
AS20315 McHenry County US
AS394518 Consolidated High School District 230 US
AS29891 National Cable Communications LLC US
AS6479 McHenryCom Company US
AS396831 NULL ORG
AS400236 East Allen County Schools US
AS7968 Loyola University Chicago US
AS401312 Gray Media, Inc. US
AS46459 Alarm Detection Systems, Inc US
AS397934 Latitude AI LLC US
AS398018 Group M Worldwide, LLC US
AS53851 The Pampered Chef, Ltd. US
AS395814 Wabash Valley Power Association Inc. US
AS393677 Hematogenix Laboratory Services, LLC US
AS395028 The Reynolds and Reynolds Company US
AS11470 Radiological Society of North America US
AS400019 Ruoff Mortgage US
AS402166 Mannheim School District 83 US

Upstreams

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

Downstreams

AS Number Description Country
AS394257 Springfield Clinic, LLP US
AS10425 NULL ORG
AS54201 We Link Networks LLC US
AS399514 Horizon Bank US
AS27358 TRUSTMARK INSURANCE CO. US
AS32321 NEWARK NET US
AS26912 Northwest Community Hospital US
AS32280 The E.W. Scripps Company US
AS36443 Aunalytics, Inc US
AS21611 Wilson Sporting Goods Co. US

Contacts

Email Contacts

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

Abuse Contacts

abuse@comcast.net

Legacy Routes

63.174.218.0/24 199.5.61.0/24 2001:559:766::/48 199.5.60.0/24 199.5.59.0/24 199.5.63.0/24

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Frequently Asked Questions

ASN AS33491 is an Autonomous System Number used to identify a network for BGP internet routing.
AS33491 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.