asn.dev

Observed topology

AS273478 AS273478 - Sage Networks

Unclassified ARIN

Upstreams 18 carry this network
Downstreams 20 this network carries
Adjacent (IPv4) 29
Adjacent (IPv6) 30
Upstream graph Who carries AS273478, and who carries them, drawn as a map up to the transit-free core. 11 exchanges Where AS273478 physically turns up to peer, and its address on each fabric.

Transit

Upstream networks

All 18

Networks observed carrying traffic for AS273478: 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
AS52468UFINET PANAMA S.A.UnclassifiedIPv4 IPv6249
AS266143UP LINK INTERNET BANDA LARGAUnclassifiedIPv4 IPv691
AS273773UP TELECOMUNICACOESUnclassifiedIPv4 IPv691
AS16735ALGAR TELECOM S/AUnclassifiedIPv4 IPv690
AS265063NEX INTERNETUnclassifiedIPv4 IPv673
AS275617Conecta RS Solucoes em TI LTDAUnclassifiedIPv460
AS267379LFGUIMARAES SERVICOSDE COMUNICACAO MULTIMIDIA MEUnclassifiedIPv459
AS263009FORTE TELECOM LTDA.HostingIPv458
AS275808LMPBR18UnclassifiedIPv458
AS6939Hurricane Electric LLCTransitIPv4 IPv643

All 18 upstreams →

Transit

Downstream networks

All 20

Networks for which AS273478 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS262693WCOM COM E SERV TELECOM LTDAUnclassifiedIPv4234
AS198585LuraHosting Datacenter LTDAUnclassifiedIPv4 IPv6149
AS273474TODA SOLUCAO WEBUnclassifiedIPv481
AS272276OTIMI TECNOLOGIA - PRESTACAO DE SERV. TEC. EIRELIUnclassifiedIPv4 IPv680
AS53243Brasil Site Informatica LTDAUnclassifiedIPv639
AS262412AGERA TELECOMUNICACOES SAUnclassifiedIPv633
AS269674EZER INTERNETResidentialIPv630
AS271303Brayo LTDAResidentialIPv622
AS268320GRUPO INOVA MAIS TELECOM LTDAResidentialIPv419
AS267458ITMINDS CONSULTORIA EM TECNOLOGIA DA INFORMACAOResidentialIPv617

All 20 downstreams →

Adjacency

Adjacent networks

All 44

Every AS seen directly next to AS273478 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS52468UFINET PANAMA S.A.UnclassifiedIPv4 IPv61,039
AS13786Seabras 1 USA, LLCUnclassifiedIPv4245
AS61832DB3 SERVICOS DE TELECOMUNICACOES S.AUnclassifiedIPv4235
AS262693WCOM COM E SERV TELECOM LTDAUnclassifiedIPv4234
AS198585LuraHosting Datacenter LTDAUnclassifiedIPv4 IPv6149
AS271303Brayo LTDAResidentialIPv697
AS266143UP LINK INTERNET BANDA LARGAUnclassifiedIPv4 IPv691
AS273773UP TELECOMUNICACOESUnclassifiedIPv4 IPv691
AS16735ALGAR TELECOM S/AUnclassifiedIPv4 IPv690
AS265244Mafra TelecomUnclassifiedIPv4 IPv689

All 44 adjacent →

Provenance

Where this comes from

Derived from routing tables collected at 2026-11-10 10:00 UTC by route-views2,rrc00, as seen from 74 BGP vantage points across 71.97M 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.