ASN AS36733 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS36733?

AS36733 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.

AS36733 Comcast Cable Communications, LLC

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AS Data

IP Routes

Raw Whois

Parsed Whois

Peers

Upstreams

Downstreams

Contacts

Legacy Routes

Comcast Cable Communications, LLC xfinity.com

US 45 Routes

AS Data

AS36733

AS36733 – Comcast Cable Communications, LLC

AS Number	36733
AS Name	DNEO-OSP7
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	2006-04-04

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Use ASN data for AS36733 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

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:       36733
ASName:         DNEO-OSP7
ASHandle:       AS36733
RegDate:        2006-04-04
Updated:        2021-01-25
Ref:            https://rdap.arin.net/registry/autnum/36733



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

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "36733",
    "as_handle" : "AS36733",
    "as_name" : "DNEO-OSP7",
    "tech_contacts" : [ "ROUTI25-ARIN", "IC161-ARIN" ],
    "abuse_contacts" : [ "NAPO-ARIN" ],
    "date_created" : "2006-04-04",
    "date_updated" : "2021-01-25",
    "source" : "https://rdap.arin.net/registry/autnum/36733"
  } ],
  "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" : "ROUTI25-ARIN",
    "name" : "Routing",
    "email" : [ "routing@comcast.com" ],
    "phone" : [ "+1-856-792-2300" ],
    "source" : "https://rdap.arin.net/registry/entity/ROUTI25-ARIN"
  }, {
    "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"
  } ],
  "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
AS7922	Comcast Cable Communications, LLC	US

Contacts

Email Contacts

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

Abuse Contacts

abuse@comcast.net

ASN Lookup Tool

ASN Summary

AS36733 – Comcast Cable Communications, LLC

ASN Intelligence API for production workflows

IP Ranges

Raw Whois Response

Parsed Whois Response

Peers

Contacts

Email Contacts

Abuse Contacts

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Frequently Asked Questions

Route	Origin	Origin Name	ISP	# IPs
96.82.16.0/23	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	512
2603:2a40:600::/40	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~309×10²⁴
75.149.106.0/23	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	512
68.87.96.0/20	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, Inc.	4096
68.87.32.0/20	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, Inc.	4096
73.5.240.0/20	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	4096
2601:a40:700::/40	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~309×10²⁴
69.139.244.0/23	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	512
68.86.228.0/23	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, Inc.	512
69.247.96.0/20	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	4096
68.87.26.0/23	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, Inc.	512
76.96.48.0/20	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, Inc.	4096
76.26.112.0/21	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	2048
2001:558:400::/44	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~19×10²⁴
69.139.191.0/24	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	256
68.85.136.0/23	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	512
68.85.215.0/24	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	256
96.108.144.0/23	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	512
68.86.134.0/23	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, Inc.	512
2603:2a40::/26	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~5×10³⁰
68.87.16.0/22	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, Inc.	1024
162.150.160.0/20	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	4096
96.119.96.0/19	AS36733	Comcast Cable Communications, LLC	Comcast IP Services, L.L.C.	8192
96.108.76.0/22	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	1024
69.241.72.0/24	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	256
69.241.18.0/23	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	512
69.241.40.0/21	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	2048
2603:2a40:5::/48	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
2601:a40::/26	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~5×10³⁰
96.108.38.0/23	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	512
68.87.24.0/24	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, Inc.	256
96.116.0.0/19	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	8192
2603:3019::/32	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~79×10²⁷
2001:558:e0::/44	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~19×10²⁴
2001:558:6000::/48	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
76.96.64.0/20	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, Inc.	4096
2001:558:fe14::/48	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
2001:558:fc0b::/48	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
96.115.158.0/23	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	512
2601:a40:600::/40	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~309×10²⁴
2001:558:502a::/48	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴
2001:558:ff00::/40	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~309×10²⁴
68.87.28.0/22	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, Inc.	1024
67.174.80.0/20	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	4096
2601:a40:202::/48	AS36733	Comcast Cable Communications, LLC	Comcast Cable Communications, LLC	~1×10²⁴