asn.dev

Observed topology

AS61740

Unclassified LACNIC

Upstreams 0 carry this network
Downstreams 14 this network carries
Adjacent (IPv4) 15
Adjacent (IPv6) 0
Upstream graph Who carries AS61740, and who carries them, drawn as a map up to the transit-free core. 0 exchanges Where AS61740 physically turns up to peer, and its address on each fabric.

Transit

Upstream networks

inferred

Networks observed carrying traffic for AS61740: 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.

No upstream observed. Typical for a tier-1 network that buys transit from nobody.

Transit

Downstream networks

All 14

Networks for which AS61740 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS61701NARCELIO L DE SOUZA - MEUnclassifiedIPv4344
AS61825GITEL TELECOMUNICACOESUnclassifiedIPv4301
AS268604SILAS E F DE AQUINO ELETROELETRONICOSUnclassifiedIPv4220
AS28257CONCEITOS NET SERVICOS DE COMUNICACAO E MULTIMIDIAUnclassifiedIPv4181
AS271451WinLink TelecomUnclassifiedIPv4172
AS267051Nexus Fibra Telecomunicacoes LTDAUnclassifiedIPv487
AS269679PAULO IDELWARTON THOMAZ FERNANDESUnclassifiedIPv444
AS52683HiperNET Servico de Comunicacao LTDA MEResidentialIPv443
AS265201MEGANET SERVICOS DE COMUNICACAO E MULTIMIDIA LTDAUnclassifiedIPv443
AS266064SUPERNET INFORMATICA E SERVICOSUnclassifiedIPv443

All 14 downstreams →

Adjacency

Adjacent networks

All 15

Every AS seen directly next to AS61740 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS264564Telecab Telecomunicacoes LtdaResidentialIPv41,912
AS61701NARCELIO L DE SOUZA - MEUnclassifiedIPv4344
AS61825GITEL TELECOMUNICACOESUnclassifiedIPv4301
AS28257CONCEITOS NET SERVICOS DE COMUNICACAO E MULTIMIDIAUnclassifiedIPv4267
AS268604SILAS E F DE AQUINO ELETROELETRONICOSUnclassifiedIPv4220
AS265201MEGANET SERVICOS DE COMUNICACAO E MULTIMIDIA LTDAUnclassifiedIPv4217
AS271451WinLink TelecomUnclassifiedIPv4172
AS267051Nexus Fibra Telecomunicacoes LTDAUnclassifiedIPv487
AS52683HiperNET Servico de Comunicacao LTDA MEResidentialIPv486
AS269679PAULO IDELWARTON THOMAZ FERNANDESUnclassifiedIPv444

All 15 adjacent →

Provenance

Where this comes from

Derived from routing tables collected at 2026-10-21 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 73.14M 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.