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Adjacent networks

AS51859 MNSHA-AS Mainstream doo Beograd

Unclassified APNIC

Adjacency

Adjacent networks

observed

Every AS seen directly next to AS51859 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS21215UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. BeogradResidentialIPv41,027
AS8400TELEKOM SRBIJA a.d.ResidentialIPv4 IPv6395
AS8866Vivacom Bulgaria EADResidentialIPv4305
AS3212Telemach Slovenija d.o.o.ResidentialIPv4198
AS15958CETIN Ltd. BelgradeUnclassifiedIPv4 IPv6173
AS31042Yettel d.o.o.ResidentialIPv485
AS13004Serbian Open Exchange DOOUnclassifiedIPv462

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 2026-11-13 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 74.40M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.