asn.dev

Observed topology

AS57304 RETNRU-AS

Unclassified RIPE NSP

Upstreams 25 carry this network
Downstreams 437 this network carries
Adjacent (IPv4) 463
Adjacent (IPv6) 189
Upstream graph Who carries AS57304, and who carries them, drawn as a map up to the transit-free core. 3 exchanges Where AS57304 physically turns up to peer, and its address on each fabric.

Transit

Upstream networks

All 25

Networks observed carrying traffic for AS57304: 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
AS9002RETN LimitedUnclassifiedIPv4 IPv6196
AS6939Hurricane Electric LLCTransitIPv4 IPv645
AS34549meerfarbig GmbH & Co. KGHostingIPv4 IPv620
AS50304Blix Solutions ASUnclassifiedIPv4 IPv614
AS3333Reseaux IP Europeens Network Coordination Centre (RIPE NCC)UnclassifiedIPv4 IPv67
AS17639Converge ICT Solutions Inc.UnclassifiedIPv4 IPv67
AS24482SG.GSHostingIPv4 IPv67
AS37721Virtual Technologies & SolutionsResidentialIPv4 IPv67
AS48185team.blue NVUnclassifiedIPv4 IPv67
AS48362Stadtwerke FeldkirchResidentialIPv4 IPv67

All 25 upstreams →

Transit

Downstream networks

All 437

Networks for which AS57304 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS9123JSC "TIMEWEB"HostingIPv4 IPv65,752
AS214822MT FINANCE LLCUnclassifiedIPv43,564
AS28840PJSC "TATTELECOM"UnclassifiedIPv43,510
AS48096Enterprise Cloud Ltd.UnclassifiedIPv4 IPv62,707
AS49505JSC SelectelHostingIPv4 IPv62,540
AS50340JSC SelectelHostingIPv4 IPv62,306
AS48282Hosting technology LTDUnclassifiedIPv4 IPv61,735
AS216246Aeza Group LLCUnclassifiedIPv4 IPv61,460
AS24955JSC "Ufanet"ResidentialIPv41,423
AS12418Quantum CJSCUnclassifiedIPv4 IPv61,208

All 437 downstreams →

Adjacency

Adjacent networks

All 463

Every AS seen directly next to AS57304 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS9049JSC "ER-Telecom Holding"UnclassifiedIPv4 IPv658,251
AS9002RETN LimitedUnclassifiedIPv4 IPv655,853
AS34549meerfarbig GmbH & Co. KGHostingIPv4 IPv634,160
AS17639Converge ICT Solutions Inc.UnclassifiedIPv4 IPv67,163
AS3333Reseaux IP Europeens Network Coordination Centre (RIPE NCC)UnclassifiedIPv4 IPv67,024
AS50300CustodianDC LimitedUnclassifiedIPv4 IPv66,681
AS48362Stadtwerke FeldkirchResidentialIPv4 IPv66,376
AS9123JSC "TIMEWEB"HostingIPv4 IPv66,210
AS12552GlobalConnect ABUnclassifiedIPv46,188
AS37100SEACOM LimitedUnclassifiedIPv45,634

All 463 adjacent →

Provenance

Where this comes from

Derived from routing tables collected at 2026-10-22 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.12M 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.