asn.dev

Observed topology

AS57112 AS-F2X

Residential RIPE

Upstreams 28 carry this network
Downstreams 3 this network carries
Adjacent (IPv4) 27
Adjacent (IPv6) 11
Upstream graph Who carries AS57112, and who carries them, drawn as a map up to the transit-free core. 5 exchanges Where AS57112 physically turns up to peer, and its address on each fabric.

Transit

Upstream networks

All 28

Networks observed carrying traffic for AS57112: the AS immediately before it in a routing path. Ranked by how many paths showed the relationship, which reflects how widely it is used, not how much traffic crosses it.

ASNetworkTypeFamiliesPaths seen
AS1299Arelion Sweden ABTransitIPv4546
AS174Cogent Communications, LLCTransitIPv4 IPv6243
AS6939Hurricane Electric LLCTransitIPv4 IPv6195
AS24482SG.GSHostingIPv4 IPv625
AS37721Virtual Technologies & SolutionsResidentialIPv4 IPv625
AS3333Reseaux IP Europeens Network Coordination Centre (RIPE NCC)UnclassifiedIPv4 IPv624
AS48185team.blue NVUnclassifiedIPv4 IPv624
AS34927iFog GmbHHostingIPv423
AS202365Omer GOLGELIUnclassifiedIPv423
AS293ESnetUnclassifiedIPv421

All 28 upstreams →

Transit

Downstream networks

inferred

Networks for which AS57112 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS203152Interforce Networks BVUnclassifiedIPv4118
AS204737CloudWeigh B.V.UnclassifiedIPv458
AS208864Weserve B.V.UnclassifiedIPv420

Adjacency

Adjacent networks

All 31

Every AS seen directly next to AS57112 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS1299Arelion Sweden ABTransitIPv4643
AS174Cogent Communications, LLCTransitIPv4 IPv6266
AS6939Hurricane Electric LLCTransitIPv4 IPv6218
AS203152Interforce Networks BVUnclassifiedIPv4118
AS204737CloudWeigh B.V.UnclassifiedIPv458
AS37721Virtual Technologies & SolutionsResidentialIPv4 IPv630
AS24482SG.GSHostingIPv4 IPv628
AS3333Reseaux IP Europeens Network Coordination Centre (RIPE NCC)UnclassifiedIPv4 IPv627
AS48185team.blue NVUnclassifiedIPv4 IPv627
AS34927iFog GmbHHostingIPv426

All 31 adjacent →

Provenance

Where this comes from

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.

Inferred from path position, not from any declaration by either party. A network appearing here is carrying these routes; whether that is a paid transit arrangement, a backup, or something else is not something routing data can tell you. 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.

Cross-check against RIPEstat or BGP.tools, which observe from a different and larger set of vantage points.