Adjacent networks

AS398427 MARKLEY-NETWORK-SERVICES - Markley Network Services, LLC

Hosting ARIN Network Services

Adjacency

Adjacent networks

observed

Every AS seen directly next to AS398427 in a routing path, in either direction.

AS	Network	Type	Families	Paths seen
AS2914	NTT America, Inc.	Transit	IPv4 IPv6	842
AS6079	RCN	Residential	IPv4 IPv6	694
AS46887	Crown Castle Fiber LLC	Unclassified	IPv4 IPv6	488
AS62983	The Massachusetts Port Authority	Unclassified	IPv4	474
AS11776	Breezeline	Residential	IPv4	425
AS6932	EBSCO Publishing	Unclassified	IPv4	285
AS46964	The Broad Institute, Inc.	Unclassified	IPv4	285
AS6939	Hurricane Electric LLC	Transit	IPv4 IPv6	231
AS5724	University of Massachusetts Medical School	Education	IPv4	185
AS40444	Constant Contact, Inc	Unclassified	IPv4	165
AS32926	Massachusetts State Lottery Commission	Unclassified	IPv4	115
AS19712	ZOLL Medical Corporation	Unclassified	IPv4 IPv6	89
AS26167	Markley Boston LLC	Hosting	IPv4	87
AS174	Cogent Communications, LLC	Transit	IPv4 IPv6	68
AS399313	TUFTS ASSOCIATED HEALTH PLANS, INC.	Unclassified	IPv4	59
AS11894	Service Credit Union	Unclassified	IPv4	58
AS31980	The Baupost Group, LLC	Unclassified	IPv4	58
AS32973	Bracebridge Capital, LLC	Unclassified	IPv4	58
AS2738	Shields Health Care Group	Unclassified	IPv4	57
AS397424	Weiss Asset Management LP	Unclassified	IPv4	57
AS19733	Digital Federal Credit Union	Unclassified	IPv4	56
AS46150	Southern New Hampshire University	Unclassified	IPv4	56

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 2026-11-09 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.03M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.