AS33667 CMCS Summary

AS number details

AS33667

CMCS

Summary

AS Number

AS33667

AS Name

CMCS

Country

United States

Website

IPv4 Prefixes

IPv6 Prefixes

IPv4 Peers

153

IPv6 Peers

IPv4 Upstreams

IPv6 Upstreams

Regional Registry

ARIN

Allocated Date

16th February 2005

Allocated Status

Assigned

Announced Prefix	Description	Country	Parent Prefix	RIR
139.181.7.0/24	Mentor Graphics Corporation	United States	139.181.0.0/16	ARIN
140.89.0.0/16	EGAN	United States		ARIN
142.131.240.0/22	Fairmont Raffles Hotels International	United States	142.131.0.0/16	ARIN
157.240.151.0/24	Facebook, Inc.	United States	157.240.0.0/16	ARIN
157.240.152.0/24	Facebook, Inc.	United States	157.240.0.0/16	ARIN
161.82.12.0/24	Wilson, Sonsini, Goodrich & Rosati, Professional Corporation	United States	161.82.0.0/18	ARIN
161.82.44.0/23	Wilson, Sonsini, Goodrich & Rosati, Professional Corporation	United States	161.82.0.0/18	ARIN
169.230.76.0/24	University of California - Office of the President	United States	169.230.0.0/15	ARIN
169.230.77.0/24	University of California - Office of the President	United States	169.230.0.0/15	ARIN
172.102.248.0/22	Ukiah Wireless	United States		ARIN
192.189.161.0/24	Livermore Software Technology Corporation	United States		ARIN
192.206.19.0/24	Chrontel	United States		ARIN
192.70.238.0/24	City of Salinas, Information Systems Group	United States		ARIN
198.202.219.0/24	Serra Systems, Inc.	United States		ARIN
204.145.245.0/24	E&M Electric and Machinery, Inc.	United States		ARIN
209.78.88.0/24	AT&T Corp.	United States	209.76.0.0/14	ARIN
50.203.201.0/24	Comcast Cable Communications, LLC	United States	50.128.0.0/9	ARIN
50.203.5.0/24	Comcast Cable Communications, LLC	United States	50.128.0.0/9	ARIN
50.205.226.0/24	Comcast Cable Communications, LLC	United States	50.128.0.0/9	ARIN
50.206.219.0/24	Comcast Cable Communications, LLC	United States	50.128.0.0/9	ARIN
2001:559:13c::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:1b1::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:1be::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:249::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:2bf::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:2c1::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:373::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:38c::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:47c::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:492::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:4c6::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:5a2::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:5de::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:712::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:75a::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:7cb::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:8091::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:80a8::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:8167::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN
2001:559:817c::/48	Comcast Cable Communications, LLC	United States	2001:558::/29	ARIN

ASN	Description	Country	IPv4
AS10475	Private ASN	countries.	false
AS1055	City of Manteca	United States	false
AS10982	TiVo, Inc.	United States	false
AS11191	Cal.net, Inc.	United States	false
AS11203	Matrix Broadband	United States	false
AS11328	Bio-Rad Laboratories, Inc.	United States	false
AS11465	Kaweah Delta Health Care District	United States	false
AS11483	Conviva, Inc.	United States	false
AS11620	Succeed.Net	United States	false
AS11681	Integrity Networks	United States	false
AS11733	E. & J. Gallo Winery Inc.	United States	false
AS11829	Cadence Design Systems, Inc.	United States	false
AS11941	Pillsbury Madison & Sutro, Inc.	United States	false
AS13335	Cloudflare, Inc.	United States	true
AS13395	Smart City Networks, L.P.	United States	false
AS13511	Univision Communications Inc.	United States	false
AS14062	AKQA, Inc.	United States	false
AS14110	Genesys Telecommunications Laboratories,Inc.	United States	false
AS14191	H&T Waterbury, INC	United States	false
AS14203	Juniper Networks, Inc.	United States	false

ASN	Description	Country	IPv6
AS16920	Wind River Systems, Inc.	United States	false
AS18469	HP Inc.	United States	true
AS20381	Cable Television Laboratories, Inc.	United States	false
AS20940	Akamai International B.V.	Netherlands	true
AS22317	F5, Inc.	United States	false
AS22617	Superior Court of California, County of Sacramento	United States	true
AS22695	Playground Global, LLC	United States	false
AS26450	CTDI	United States	false
AS27288	Digital Path	United States	true
AS32504	Intelletrace	United States	true
AS3356	Level 3 Parent, LLC	United States	true
AS36040	Google LLC	United States	true
AS394304	Sacramento Downtown Arena, LLC	United States	true
AS397787	Black Oak Casino	United States	true
AS397994	Xactly Corporation	United States	true
AS5081	CLARE COMPUTER SOLUTIONS	United States	true
AS55064	Arista Networks, Inc.	United States	false
AS7922	Comcast Cable Communications, LLC	United States	true

Announced Prefix	Description	Country	IPv4
AS7922	Comcast Cable Communications, LLC	United States	true

Announced Prefix	Description	Country	IPv6
AS7922	Comcast Cable Communications, LLC	United States	true

Announced Prefix	Description	Country	IPv4
AS10475	Private ASN	countries.	false
AS1055	City of Manteca	United States	false
AS10982	TiVo, Inc.	United States	false
AS11191	Cal.net, Inc.	United States	false
AS11203	Matrix Broadband	United States	false
AS11328	Bio-Rad Laboratories, Inc.	United States	false
AS11465	Kaweah Delta Health Care District	United States	false
AS11483	Conviva, Inc.	United States	false
AS11620	Succeed.Net	United States	false
AS11681	Integrity Networks	United States	false
AS11733	E. & J. Gallo Winery Inc.	United States	false
AS11829	Cadence Design Systems, Inc.	United States	false
AS11941	Pillsbury Madison & Sutro, Inc.	United States	false
AS13335	Cloudflare, Inc.	United States	true
AS13395	Smart City Networks, L.P.	United States	false
AS13511	Univision Communications Inc.	United States	false
AS14062	AKQA, Inc.	United States	false
AS14110	Genesys Telecommunications Laboratories,Inc.	United States	false
AS14191	H&T Waterbury, INC	United States	false
AS14203	Juniper Networks, Inc.	United States	false

Announced Prefix	Description	Country	IPv6
AS16920	Wind River Systems, Inc.	United States	false
AS18469	HP Inc.	United States	true
AS20381	Cable Television Laboratories, Inc.	United States	false
AS20940	Akamai International B.V.	Netherlands	true
AS22317	F5, Inc.	United States	false
AS22695	Playground Global, LLC	United States	false
AS26450	CTDI	United States	false
AS27288	Digital Path	United States	true
AS32504	Intelletrace	United States	true
AS36040	Google LLC	United States	true
AS394304	Sacramento Downtown Arena, LLC	United States	true
AS397787	Black Oak Casino	United States	true
AS397994	Xactly Corporation	United States	true
AS5081	CLARE COMPUTER SOLUTIONS	United States	true
AS55064	Arista Networks, Inc.	United States	false

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What is an ASN?

An Autonomous System (AS) is a collection of connected networks that operate under a common administrative domain and share routing policies. Each AS is identified by a unique Autonomous System Number (ASN), which is used to exchange routing information with other ASs. AS can control how traffic flows through networks and then filter out unwanted traffic.

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