This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS33661 11 More Specifics 11 Total Advertisements DNEO-OSP7 - Comcast Cable Communications, Inc.
67.179.195.0/24 67.160.0.0/11
68.85.205.0/24 68.80.0.0/13
68.86.41.0/24 68.80.0.0/13
69.241.5.0/24 69.240.0.0/12
73.12.32.0/21 73.0.0.0/8
73.12.64.0/22 73.0.0.0/8
73.12.68.0/22 73.0.0.0/8
73.12.72.0/21 73.0.0.0/8
73.12.106.0/24 73.0.0.0/8
73.12.110.0/24 73.0.0.0/8
73.12.116.0/22 73.0.0.0/8
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 67.179.195.0/24 Announced
+ 68.85.205.0/24 Announced
+ 68.86.41.0/24 Announced
+ 69.241.5.0/24 Announced
+ 73.12.32.0/21 Announced
+ 73.12.64.0/22 Announced
+ 73.12.68.0/22 Announced
+ 73.12.72.0/21 Announced
+ 73.12.106.0/24 Announced
+ 73.12.110.0/24 Announced
+ 73.12.116.0/22 Announced
whois: 402603
IANA has recorded AS33661 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS33661\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/
#
# 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.
#