Adjacent networks

AS33491 COMCAST-33491 - Comcast Cable Communications, LLC

Unclassified ARIN Cable/DSL/ISP

Adjacency

Adjacent networks

observed

Every AS seen directly next to AS33491 in a routing path, in either direction.

AS	Network	Type	Families	Paths seen
AS7922	Comcast Cable Communications, LLC	Residential	IPv4 IPv6	22,190
AS3356	Level 3 Parent, LLC	Transit	IPv4 IPv6	3,936
AS14858	Hanson Information Systems, Inc. / Family Net	Unclassified	IPv4	518
AS36373	Community Hospitals, Indianapolis	Unclassified	IPv4	506
AS13950	DLS Internet Services, Inc	Unclassified	IPv4	414
AS14414	Telit IoT Platforms, LLC	Unclassified	IPv4	378
AS36319	NorthShore University HealthSystem	Unclassified	IPv4	312
AS33248	City of Evanston, Illinois	Unclassified	IPv4	297
AS26912	Northwest Community Hospital	Unclassified	IPv4	293
AS40038	Moraine Valley Community College	Unclassified	IPv4	282
AS27482	American Eagle Computer Products, Inc.	Hosting	IPv4	278
AS19265	Memorial Medical Center	Unclassified	IPv4	259
AS32143	The Village of Niles	Unclassified	IPv4	236
AS396021	Comcast Cable Communications, LLC	Unclassified	IPv4	228
AS26840	Advanced Business Group, LLC	Unclassified	IPv4	197
AS40628	Oklahoma Office of Management & Enterprise Services	Unclassified	IPv4	190
AS4917	AMDOCS Inc.	Unclassified	IPv4	186
AS7968	Loyola University Chicago	Education	IPv4	181
AS29817	LAKE CITY BANK	Unclassified	IPv4	180
AS19855	Masergy Communications, Inc.	Unclassified	IPv4	177
AS395490	County of Lake	Unclassified	IPv4	177
AS54583	American College of Surgeons	Unclassified	IPv4	174
AS396995	Morris Hospital	Unclassified	IPv4	155
AS10425	-Reserved AS-	Unclassified	IPv4	128
AS21798	International Truck and Engine Corp	Unclassified	IPv4	120
AS21908	Family Video Movie Club Inc.	Unclassified	IPv4	120
AS32528	ROSS PRODUCTS DIVISION	Unclassified	IPv4	120
AS54056	Packaging Corporation of America	Unclassified	IPv4	119
AS36040	Google LLC	Hosting	IPv4	118
AS40668	Fenwal, Inc.	Unclassified	IPv4	118
AS398421	Southwest Allen County Schools	Unclassified	IPv4	118
AS400236	East Allen County Schools	Unclassified	IPv4	118
AS12250	EDWARD HEALTH SERVICE CORP	Unclassified	IPv4	117
AS33331	Valid USA	Unclassified	IPv4	117
AS20315	McHenry County	Unclassified	IPv4	116
AS27562	Presence Health Network	Unclassified	IPv4	116
AS16593	First Merchants Corporation	Unclassified	IPv4	115
AS40710	College of Lake County	Unclassified	IPv4	113
AS103	Northwestern University	Unclassified	IPv4	107
AS26255	Oakton Community College	Unclassified	IPv4	104
AS33019	Wheaton College	Unclassified	IPv4	101
AS7767	Encyclopaedia Britannica	Unclassified	IPv4 IPv6	94
AS25978	Rush University Medical Center	Unclassified	IPv4	94
AS13953	Sauk Valley Community College	Unclassified	IPv4 IPv6	92
AS6479	McHenryCom Company	Residential	IPv4 IPv6	90
AS16706	NORTHEAST ORTHOPAEDIC CLINIC, LLP	Unclassified	IPv4	89
AS23494	Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas	Unclassified	IPv4	84
AS35928	BECKMAN COULTER, INC.	Unclassified	IPv4	83
AS393323	Waterfurnace International, Inc	Unclassified	IPv4	83
AS14711	INGERSOLL CUTTING TOOL COMPANY	Unclassified	IPv4	79

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 2026-11-08 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.00M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.