asn.dev

Observed topology

AS263903 INFORBARRA TELECOM

Unclassified APNIC

Upstreams 31 carry this network
Downstreams 109 this network carries
Adjacent (IPv4) 129
Adjacent (IPv6) 111
Upstream graph Who carries AS263903, and who carries them, drawn as a map up to the transit-free core. 9 exchanges Where AS263903 physically turns up to peer, and its address on each fabric.

Transit

Upstream networks

All 31

Networks observed carrying traffic for AS263903: 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
AS3356Level 3 Parent, LLCTransitIPv4 IPv6427
AS6939Hurricane Electric LLCTransitIPv4 IPv6412
AS264409Huge Solucoes Corporativas LtdaUnclassifiedIPv4107
AS34549meerfarbig GmbH & Co. KGHostingIPv4 IPv638
AS24482SG.GSHostingIPv4 IPv626
AS26615TIM S/AMobileIPv4 IPv622
AS50304Blix Solutions ASUnclassifiedIPv422
AS37721Virtual Technologies & SolutionsResidentialIPv4 IPv621
AS48185team.blue NVUnclassifiedIPv4 IPv614
AS48362Stadtwerke FeldkirchResidentialIPv4 IPv614

All 31 upstreams →

Transit

Downstream networks

All 109

Networks for which AS263903 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS262617UWBR VOX Telecomunicacoes S/AUnclassifiedIPv4 IPv61,767
AS28156Linhares Servicos Online LTDA EPPUnclassifiedIPv4 IPv6987
AS267015ESADINET - EMPRESA DE SERVICOS ADM. DE ITUBERA LTDUnclassifiedIPv4 IPv6849
AS270326NUVEM TECNOLOGIA LTDAUnclassifiedIPv4 IPv6600
AS263464Souza Cortes Elet. Elet. Ltda MEUnclassifiedIPv4 IPv6558
AS269110EXPRESS INFORMATICAUnclassifiedIPv4 IPv6545
AS263624COMPUTEC TELECOM LTDAUnclassifiedIPv4 IPv6474
AS266416L3 NETWORKS E TELECOMUNICACOES LTDAUnclassifiedIPv4 IPv6447
AS61939MICRORCIM PRO NET DO BRASIL INFORMATICA LTDAUnclassifiedIPv4445
AS266513Vips FibraUnclassifiedIPv4 IPv6445

All 109 downstreams →

Adjacency

Adjacent networks

All 146

Every AS seen directly next to AS263903 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS3356Level 3 Parent, LLCTransitIPv4 IPv616,047
AS6939Hurricane Electric LLCTransitIPv4 IPv67,870
AS61618VIVA TECNOLOGIA TELECOMUNICACOES LTDAUnclassifiedIPv4 IPv62,082
AS264137DUX TELECOM LTDAUnclassifiedIPv4 IPv61,954
AS262617UWBR VOX Telecomunicacoes S/AUnclassifiedIPv4 IPv61,767
AS266416L3 NETWORKS E TELECOMUNICACOES LTDAUnclassifiedIPv4 IPv61,508
AS34549meerfarbig GmbH & Co. KGHostingIPv4 IPv61,456
AS264409Huge Solucoes Corporativas LtdaUnclassifiedIPv4 IPv61,428
AS263151CONECT TELECOMResidentialIPv4 IPv61,046
AS28156Linhares Servicos Online LTDA EPPUnclassifiedIPv4 IPv6987

All 146 adjacent →

Provenance

Where this comes from

Derived from routing tables collected at 2026-10-17 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.18M 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.