Adjacent networks

AS21700 NEPTUNE-NETWORKS

Unclassified ARIN

Adjacency

Adjacent networks

observed

Every AS seen directly next to AS21700 in a routing path, in either direction.

AS	Network	Type	Families	Paths seen
AS6939	Hurricane Electric LLC	Transit	IPv4 IPv6	1,977
AS174	Cogent Communications, LLC	Transit	IPv4 IPv6	1,387
AS3257	GTT Communications Inc.	Transit	IPv4 IPv6	734
AS400967	Assured Networks	Hosting	IPv4 IPv6	403
AS19949	FNFISP	Unclassified	IPv4	399
AS53727	Penguin Networks	Unclassified	IPv4 IPv6	299
AS401363	Lyncross LLC	Unclassified	IPv4 IPv6	157
AS53343	sc Network	Unclassified	IPv4 IPv6	151
AS63229	Nocturnal Networks	Unclassified	IPv4 IPv6	150
AS961	Achieve Wireless Inc	Unclassified	IPv4 IPv6	131
AS18470	GraceWorks, LLC	Unclassified	IPv4 IPv6	131
AS203943	ALEXANDER NICHOLSON	Unclassified	IPv6	111
AS400550	Suburban Marine, Inc.	Unclassified	IPv6	111
AS1046	Fiberifi	Unclassified	IPv4	103
AS9002	RETN Limited	Unclassified	IPv6	100
AS54098	LIONLINK NETWORKS	Unclassified	IPv4 IPv6	95
AS35866	Silver Chip Interactive	Unclassified	IPv4 IPv6	94
AS36072	12 Commas LLC	Unclassified	IPv4 IPv6	94
AS400312	KHITOMER NETWORKS, LLC	Unclassified	IPv4 IPv6	94
AS402668	One	Unclassified	IPv4 IPv6	94
AS24482	SG.GS	Hosting	IPv4 IPv6	93
AS63183	Ything LLC	Unclassified	IPv4 IPv6	93
AS10779	StepBroBD, Inc.	Unclassified	IPv4 IPv6	73
AS219370	Benjamin Johnson	Unclassified	IPv6	71
AS402164	Rofael Aleezada, Sole Proprietorship	Unclassified	IPv4 IPv6	68
AS400941	Nubinity, LLC	Unclassified	IPv6	62
AS20438	Stoo Networks LLC	Unclassified	IPv4	57
AS206208	Pusic Jurai	Unclassified	IPv4	57
AS400490	Two Bit Hacks, LLC	Unclassified	IPv4	57
AS17639	Converge ICT Solutions Inc.	Unclassified	IPv4	56
AS216100	Rui Li	Unclassified	IPv6	55
AS205956	Louis Poinsignon	Unclassified	IPv4 IPv6	51
AS401227	Jouleworks	Unclassified	IPv4 IPv6	51
AS153039	Protected Networks	Unclassified	IPv4 IPv6	46
AS13030	Init7 (Switzerland) Ltd.	Hosting	IPv6	45
AS32042	Evergate Solutions	Unclassified	IPv4 IPv6	42
AS959	OHANACRAFT, LLC	Hosting	IPv6	37
AS21820	V6 FOR YOU LLC	Unclassified	IPv6	37
AS57266	Alexander Huynh	Unclassified	IPv6	37
AS200766	Kerry Lynn brown jr	Unclassified	IPv6	37
AS206981	Christopher Mountford	Unclassified	IPv4 IPv6	37
AS212123	Jori Vanneste	Unclassified	IPv6	37
AS215887	Serhiy Bobrov	Unclassified	IPv6	37
AS215931	BARNA CONSULTING S.A.S.	Unclassified	IPv4	37
AS219070	Eximia Networks Limited	Unclassified	IPv6	37
AS402240	Wayfire Technologies LLC	Unclassified	IPv6	37
AS57883	NITAET	Unclassified	IPv4	35
AS207890	Andrew Williams	Unclassified	IPv6	24
AS399914	N-LAB	Unclassified	IPv6	17
AS26533	STiBaRC	Hosting	IPv4	14

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 2026-10-16 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.23M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.