Adjacent networks

AS33651 CMCS - Comcast Cable Communications, LLC

Unclassified ARIN

Adjacency

Adjacent networks

observed

Every AS seen directly next to AS33651 in a routing path, in either direction.

AS	Network	Type	Families	Paths seen
AS7922	Comcast Cable Communications, LLC	Residential	IPv4 IPv6	16,373
AS1226	California Department of Technology	Unclassified	IPv4	492
AS3356	Level 3 Parent, LLC	Transit	IPv4	373
AS46341	California Public Utilities Commission	Unclassified	IPv4	198
AS10309	County of Marin	Unclassified	IPv4	192
AS6379	A-Link Network Services, Inc.	Unclassified	IPv4	164
AS14203	Juniper Networks, Inc.	Unclassified	IPv4 IPv6	150
AS6099	Alameda County Office of Education	Education	IPv4	137
AS25875	FriendFinder Networks Inc	Hosting	IPv4	134
AS47065	USC / UFMG PEERING Research Testbed	Education	IPv4	134
AS20066	Supermicro Computer	Unclassified	IPv4	130
AS22700	University of San Francisco	Unclassified	IPv4	128
AS55064	Arista Networks, Inc.	Unclassified	IPv4 IPv6	128
AS46826	Razzo Link, Inc.	Unclassified	IPv4	123
AS54113	Fastly, Inc.	Hosting	IPv4 IPv6	123
AS36040	Google LLC	Hosting	IPv4	120
AS32504	Intelletrace	Unclassified	IPv4 IPv6	105
AS32537	Xilinx Incorporated	Unclassified	IPv4	105
AS395976	Comcast Cable Communications, LLC	Unclassified	IPv4	104
AS23154	Sanmina-SCI Corporation	Unclassified	IPv4	103
AS63435	County of Monterey	Unclassified	IPv4	98
AS29878	Community Hospital of the Monterey Peninsula	Unclassified	IPv4	83
AS55059	Microwave Power Products, Inc.	Unclassified	IPv4	83
AS11328	Bio-Rad Laboratories, Inc.	Unclassified	IPv4	82
AS46186	Gilead Sciences	Unclassified	IPv4	82
AS35928	BECKMAN COULTER, INC.	Unclassified	IPv4	80
AS19126	KIZA	Unclassified	IPv4	78
AS395011	City and County of San Francisco	Unclassified	IPv4 IPv6	78
AS17117	RITSnet, Inc.	Unclassified	IPv4	77
AS23472	SonicWALL, Inc.	Unclassified	IPv4	69
AS5081	CLARE COMPUTER SOLUTIONS	Unclassified	IPv4 IPv6	65
AS17035	NBCUniversal	Unclassified	IPv4	64
AS53985	DODGE & COX	Unclassified	IPv4	64
AS16920	Wind River Systems, Inc.	Unclassified	IPv4 IPv6	62
AS46864	Workday, Inc.	Unclassified	IPv4	62
AS10982	TiVo, Inc.	Unclassified	IPv4	59
AS14388	Bronco Wine Co.	Unclassified	IPv4	58
AS22369	Cloudmylab.com	Unclassified	IPv4	58
AS36776	Five9 Inc.	Unclassified	IPv4	58
AS46305	Universal Audio, Inc.	Unclassified	IPv4	58
AS393305	G2	Unclassified	IPv4	58
AS397030	Hilton Worldwide Holdings Inc	Unclassified	IPv4	58
AS395132	Meriwest Credit Union	Unclassified	IPv4	57
AS40039	ALPHA AND OMEGA SEMICONDUCTOR INCORPORATED	Unclassified	IPv4	56
AS30175	EPICOR	Unclassified	IPv4	55
AS36838	INFOIMAGE OF CALIFORNIA	Unclassified	IPv4	55
AS396943	City of Sunnyvale	Unclassified	IPv4	54
AS26325	Technology Credit Union	Unclassified	IPv4	53
AS18880	Lam Research Corporation	Unclassified	IPv4	48
AS33161	Chumash Casino Resort	Unclassified	IPv4	48

Adjacency is not the same as peering. Being next to each other in a path covers paid transit, settlement-free peering and customer connections alike, and routing data cannot distinguish them. Treat this as "these networks exchange routes", nothing more specific.

Derived from routing tables collected at 2026-11-12 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 74.36M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.