ASN Lookup Tool

Comcast Cable Communications, LLC comcast.com US US 96 Routes

AS Data

AS33667

AS33667Comcast Cable Communications, LLC

AS Number 33667
AS Name CMCS
Organization Comcast Cable Communications, LLC (cccs)
Country US
Website comcast.com
Number of IPv4 Routes 37
Number of IPv6 Routes 59
ASN type ISP
Registry ARIN
Date Allocated 2005-02-16

ASN Intelligence API for production workflows

Use ASN data for AS33667 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Powered by ASN data

IP Ranges

Route # IPs
5.182.194.0/24 256
2001:559:13c::/48 ~1×10²⁴
2001:559:86a7::/48 ~1×10²⁴
2001:559:c144::/48 ~1×10²⁴
209.78.88.0/24 256
2001:559:2c1::/48 ~1×10²⁴
2a0c:1904:3f82::/48 ~1×10²⁴
63.246.152.0/24 256
2001:559:8610::/48 ~1×10²⁴
63.246.159.0/24 256
5.182.193.0/24 256
2001:559:82f6::/48 ~1×10²⁴
9.142.118.0/23 512
2001:559:c39a::/48 ~1×10²⁴
138.226.64.0/20 4096
185.22.43.0/24 256
2001:559:2bf::/48 ~1×10²⁴
2001:559:8c::/48 ~1×10²⁴
9.142.96.0/19 8192
2a03:2887:ff32::/48 ~1×10²⁴
161.82.12.0/24 256
2001:559:c4d5::/48 ~1×10²⁴
2001:559:c36d::/48 ~1×10²⁴
2001:559:492::/48 ~1×10²⁴
2001:559:c551::/48 ~1×10²⁴
2001:559:860f::/48 ~1×10²⁴
2a0c:1907:6d2e::/48 ~1×10²⁴
2001:559:123::/48 ~1×10²⁴
2001:559:8b::/48 ~1×10²⁴
2001:559:8492::/48 ~1×10²⁴
9.142.48.0/20 4096
2001:559:8167::/48 ~1×10²⁴
2001:559:80a8::/48 ~1×10²⁴
2001:559:83e1::/48 ~1×10²⁴
2001:559:c082::/48 ~1×10²⁴
138.226.196.0/22 1024
50.203.5.0/24 256
2001:559:7cb::/48 ~1×10²⁴
2001:559:86ec::/48 ~1×10²⁴
2a0c:1900::/29 ~634×10²⁷
2001:559:c395::/48 ~1×10²⁴
103.216.197.0/24 256
5.182.186.0/24 256
50.207.246.0/24 256
2001:559:845d::/48 ~1×10²⁴
45.67.141.0/24 256
2001:559:712::/48 ~1×10²⁴
2001:559:8202::/48 ~1×10²⁴
2001:559:8091::/48 ~1×10²⁴
2001:559:32d::/48 ~1×10²⁴
2001:559:249::/48 ~1×10²⁴
2001:559:47c::/48 ~1×10²⁴
50.203.201.0/24 256
2001:559:c475::/48 ~1×10²⁴
5.182.195.0/24 256
2001:559:8784::/48 ~1×10²⁴
2001:559:c024::/48 ~1×10²⁴
2a03:2887:ff31::/48 ~1×10²⁴
2001:559:75a::/48 ~1×10²⁴
2001:559:c3fd::/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:       33667
ASName:         CMCS
ASHandle:       AS33667
RegDate:        2005-02-16
Updated:        2021-01-25
Ref:            https://rdap.arin.net/registry/autnum/33667



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
AS54201 We Link Networks LLC US
AS11574 San Francisco Baseball Associates LLC US
AS46867 Sebastian US
AS5081 CLARE COMPUTER SOLUTIONS US
AS397450 City of Fairfield US
AS395844 LUSD US
AS22414 Craigslist, Inc. US
AS397062 Sun-Maid Growers of California US
AS396513 County of Fresno US
AS6099 Alameda County Office of Education US
AS16914 MBH ARCHITECTS US
AS5774 United States Postal Service US
AS40385 Saint Mary's College of California US
AS14443 Broadridge Financial Solutions, Inc. US
AS32537 Xilinx Incorporated US
AS19126 KIZA US
AS46216 FirmaTRUST Consulting US
AS1000 LINK AMERICAN US
AS6379 A Link Network Services, Inc. US
AS396943 City of Sunnyvale US
AS23338 DCS Pacific Star, LLC US
AS46201 County of Yuba US
AS54767 Restoration Hardware, Inc. US
AS398214 Prominence Health Plan US
AS204662 Financiere Kepler SAS FR
AS11941 Pillsbury Madison & Sutro, Inc. US
AS23154 Sanmina SCI Corporation US
AS55064 Arista Networks, Inc. US
AS55278 California Capital Insurance Company US
AS40620 QIAGEN Redwood City, Inc. US
AS395210 Western Carriers Inc. US
AS33311 TOPCON POSITIONING SYSTEMS INC US
AS33382 CRYPTIC STUDIOS, INC. US
AS14203 Juniper Networks, Inc. US
AS11620 Succeed.Net US
AS23411 IANA - Autonomous System Number US
AS54269 Provident Credit Union US
AS63435 County of Monterey US
AS4182 MLSListings inc. US
AS53497 WebPerception, LLC US
AS394304 Sacramento Downtown Arena, LLC US
AS11829 Cadence Design Systems, Inc. US
AS395536 Trimark Associates, inc US
AS25753 California Public Employees' Retirement System US
AS32504 Intelletrace US
AS397620 City of Menlo Park US
AS54654 Mills College US
AS393935 Sierra Central Credit Union US
AS398204 City of Stockton US
AS7235 LanMinds, Inc. US
AS11328 Bio-Rad Laboratories, Inc. US
AS46902 California State Teachers Retirement System (CalSTRS) US
AS396484 City of Roseville US
AS399761 Stream IT Networks LLC US
AS36040 Google LLC US
AS17381 Williams Sonoma US
AS54169 Marin General Hospital US
AS22216 Siemens Corporation US
AS54469 City of Vacaville US
AS400147 City of Modesto US

Upstreams

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

Downstreams

AS Number Description Country
AS54201 We Link Networks LLC US
AS11574 San Francisco Baseball Associates LLC US
AS46867 Sebastian US
AS5081 CLARE COMPUTER SOLUTIONS US
AS397450 City of Fairfield US
AS395844 LUSD US
AS396513 County of Fresno US
AS6099 Alameda County Office of Education US
AS16914 MBH ARCHITECTS US
AS40385 Saint Mary's College of California US

Contacts

Legacy Routes

Ready to get started?Get Started with IP Intelligence API Today

CTA Illustration

Frequently Asked Questions

ASN AS33667 is an Autonomous System Number used to identify a network for BGP internet routing.
AS33667 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.