ASN Lookup Tool

Comcast Cable Communications, LLC xfinity.com US US 53 Routes

AS Data

AS33653

AS33653 – Comcast Cable Communications, LLC

AS Number 33653
AS Name CMCS
Organization Comcast Cable Communications, LLC (cccs)
Country US
Website xfinity.com
Number of IPv4 Routes 0
Number of IPv6 Routes 0
ASN type ISP
Registry ARIN
Date Allocated 2005-02-16

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IP Ranges

Route # IPs
73.24.128.0/17 32768
69.244.0.0/19 8192
70.88.172.0/24 256
184.116.252.0/22 1024
96.75.4.0/23 512
76.18.96.0/19 8192
96.81.4.0/22 1024
68.87.172.0/24 256
50.252.182.0/23 512
70.89.75.0/24 256
24.23.64.0/20 4096
66.208.204.0/23 512
69.137.176.0/20 4096
50.208.236.0/24 256
2601:500::/26 ~5×10³⁰
2603:2500::/26 ~5×10³⁰
71.226.112.0/20 4096
50.188.130.0/23 512
64.139.76.0/24 256
68.84.192.0/20 4096
69.244.32.0/19 8192
66.208.218.0/23 512
96.97.46.0/23 512
76.159.128.0/17 32768
98.48.192.0/19 8192
2001:558:50::/44 ~19×10²⁴
173.10.236.0/23 512
71.228.144.0/20 4096
69.254.192.0/20 4096
74.95.131.0/24 256
76.134.160.0/19 8192
98.225.64.0/18 16384
74.93.39.0/24 256
68.86.201.0/24 256
24.11.144.0/20 4096
73.127.64.0/19 8192
96.91.74.0/23 512
75.146.134.0/24 256
50.248.112.0/23 512
71.226.32.0/19 8192
69.136.112.0/20 4096
64.139.88.0/23 512
50.208.238.0/23 512
96.73.40.0/23 512
76.29.208.0/20 4096
107.2.0.0/18 16384
2603:301e::/32 ~79×10²⁷
70.88.173.0/24 256
66.208.223.0/24 256
69.242.224.0/20 4096
2603:30a1::/32 ~79×10²⁷
74.94.94.0/24 256
2001:558:fe2c::/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:       33653
ASName:         CMCS
ASHandle:       AS33653
RegDate:        2005-02-16
Updated:        2021-01-25
Ref:            https://rdap.arin.net/registry/autnum/33653



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
AS7922 Comcast Cable Communications, LLC 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 AS33653 is an Autonomous System Number used to identify a network for BGP internet routing.
AS33653 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.