ASN AS7725 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS7725?

AS7725 is listed under Comcast Cable Communications, LLC.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS7725 Comcast Cable Communications, LLC

ASN Lookup Tool

Comcast Cable Communications, LLC comcast.com

US 157 Routes

AS Data

AS7725

AS7725 – Comcast Cable Communications, LLC

AS Number	7725
AS Name	COMCAST-7725
Organization	Comcast Cable Communications, LLC (cccs)
Country	US
Website	comcast.com
Number of IPv4 Routes	32
Number of IPv6 Routes	125
ASN type	ISP
Registry	ARIN
Date Allocated	1996-12-20

ASN Intelligence API for production workflows

Use ASN data for AS7725 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

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
205.167.158.0/23	AS7725	Comcast Cable Communications, LLC	Southern Mills, Inc.	512
2001:559:850d::/48	AS7725	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
2001:559:860b::/48	AS7725	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
2001:559:c1cf::/48	AS7725	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
2001:559:579::/48	AS7725	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
50.205.36.0/23	AS7725	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	512
2001:559:c1f4::/48	AS7725	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
2001:559:c169::/48	AS7725	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
2001:559:59e::/48	AS7725	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
2001:559:f4::/48	AS7725	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~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:       7725
ASName:         COMCAST-7725
ASHandle:       AS7725
RegDate:        1996-12-20
Updated:        2021-01-25
Ref:            https://rdap.arin.net/registry/autnum/7725



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

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "7725",
    "as_handle" : "AS7725",
    "as_name" : "COMCAST-7725",
    "tech_contacts" : [ "IC161-ARIN", "ROUTI25-ARIN" ],
    "abuse_contacts" : [ "NAPO-ARIN" ],
    "date_created" : "1996-12-20",
    "date_updated" : "2021-01-25",
    "source" : "https://rdap.arin.net/registry/autnum/7725"
  } ],
  "organization" : {
    "handle" : "CCCS",
    "name" : "Comcast Cable Communications, LLC",
    "address" : [ "1800 Bishops Gate Blvd", "Mt Laurel", "NJ", "08054", "US" ],
    "street" : "Bishops Gate Blvd",
    "city" : "Mt Laurel",
    "state" : "NJ",
    "zip_code" : "08054",
    "country" : [ "US" ],
    "date_created" : "2001-09-18",
    "date_updated" : "2020-11-18",
    "source" : "https://rdap.arin.net/registry/entity/CCCS",
    "addressCountry" : "US"
  },
  "technical_contacts" : [ {
    "handle" : "IC161-ARIN",
    "name" : "Comcast Cable Communications Inc",
    "email" : [ "CNIPEO-Ip-registration@cable.comcast.com" ],
    "phone" : [ "+1-856-792-2300" ],
    "source" : "https://rdap.arin.net/registry/entity/IC161-ARIN"
  }, {
    "handle" : "ROUTI25-ARIN",
    "name" : "Routing",
    "email" : [ "routing@comcast.com" ],
    "phone" : [ "+1-856-792-2300" ],
    "source" : "https://rdap.arin.net/registry/entity/ROUTI25-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "NAPO-ARIN",
    "name" : "Network Abuse and Policy Observance",
    "email" : [ "abuse@comcast.net" ],
    "phone" : [ "+1-888-565-4329" ],
    "source" : "https://rdap.arin.net/registry/entity/NAPO-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS33304	RaceTrac Petroleum, Inc.	US
AS40464	Eclipse Networks, Inc.	US
AS22768	SYNERGY BROADBAND	US
AS36542	Gwinnett County Government	US
AS394549	GEMA/HS	US
AS33741	Dennis Group	US
AS14395	Federal Home Loan Bank Of Atlanta	US
AS395979	Digital Insurance	US
AS396019	Comcast Cable Communications, LLC	US
AS40724	DeKalb County, Georgia	US

Upstreams

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

Downstreams

AS Number	Description	Country
AS33304	RaceTrac Petroleum, Inc.	US
AS40464	Eclipse Networks, Inc.	US
AS30442	IANA - Autonomous System Number	ZZ
AS22768	SYNERGY BROADBAND	US
AS36542	Gwinnett County Government	US
AS394549	GEMA/HS	US
AS33741	Dennis Group	US
AS14395	Federal Home Loan Bank Of Atlanta	US
AS395979	Digital Insurance	US
AS396019	Comcast Cable Communications, LLC	US