Adjacent networks

AS3737 AS-PTD

Residential ARIN

Adjacency

Adjacent networks

observed

Every AS seen directly next to AS3737 in a routing path, in either direction.

AS	Network	Type	Families	Paths seen
AS6461	Zayo Bandwidth	Transit	IPv4 IPv6	2,003
AS3356	Level 3 Parent, LLC	Transit	IPv4 IPv6	1,919
AS3257	GTT Communications Inc.	Transit	IPv4 IPv6	998
AS6939	Hurricane Electric LLC	Transit	IPv4 IPv6	683
AS14369	Nmax	Unclassified	IPv4 IPv6	564
AS14928	PenTeleData Inc.	Residential	IPv4 IPv6	509
AS397369	LVHN	Unclassified	IPv4	330
AS27621	AMERICAN COMPUTER ASSOCIATES	Unclassified	IPv4	236
AS394893	Clair Global	Unclassified	IPv4	226
AS398191	Tri-Co Connections	Unclassified	IPv4	220
AS14773	Lancaster Lebanon Intermediate Unit 13	Unclassified	IPv4 IPv6	208
AS22841	Northampton Community College	Unclassified	IPv4	173
AS396269	Buckeye Partners L.P.	Unclassified	IPv4	118
AS396462	LKQ Corporation	Unclassified	IPv4	118
AS14789	Cloudflare, Inc.	Unclassified	IPv4 IPv6	93
AS32162	Carbon Lehigh Intermediate Unit 21	Unclassified	IPv4	90
AS19839	Wind Creek Bethlehem LLC	Unclassified	IPv4	78
AS13759	Wilkes University	Unclassified	IPv4	75
AS16548	East Penn Manufacturing	Unclassified	IPv4	72
AS29899	Geisinger System Services	Unclassified	IPv4 IPv6	62
AS6128	Cablevision Systems Corp.	Residential	IPv4	60
AS62720	Ironton Telephone Company	Unclassified	IPv4	60
AS63289	WFMZ-TV	Unclassified	IPv4	60
AS394305	Jlink, Inc	Unclassified	IPv4	60
AS394884	Famous Smoke Shop	Unclassified	IPv4	60
AS19096	DeSales University	Unclassified	IPv4	59
AS21516	Ephrata Community Hospital	Unclassified	IPv4	59
AS53775	Sekisui KYDEX, LLC	Unclassified	IPv4	59
AS399437	Luzerne County	Unclassified	IPv4	59
AS30153	Bridon American Corporation	Unclassified	IPv4	56
AS396020	LAMTEC CORPORATION	Unclassified	IPv4	56
AS15239	Franklin Mutual Insurance Company	Unclassified	IPv4	50
AS22580	GUARD INSURANCE GROUP	Unclassified	IPv4	46
AS24482	SG.GS	Hosting	IPv4 IPv6	36
AS37721	Virtual Technologies & Solutions	Residential	IPv4 IPv6	36
AS400400	Clair Global	Unclassified	IPv4 IPv6	31
AS293	ESnet	Unclassified	IPv4	29
AS7150	Commonwealth University of Pennsylvania	Education	IPv4	28
AS27246	SAUCON TECHNOLOGIES, INC	Unclassified	IPv4	26
AS46350	Silberline Mfg. Co. Inc.	Unclassified	IPv4	22
AS40591	Bucknell University	Unclassified	IPv4	16
AS53718	Evangelical Community Hospital	Unclassified	IPv4	13
AS58057	Securebit AG	Unclassified	IPv4	4

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 2026-10-19 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.17M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.