asn.dev

Observed topology

AS266445 AS266445 - SEA TELECOM LTDA

Unclassified LACNIC Cable/DSL/ISP

Upstreams 8 carry this network
Downstreams 35 this network carries
Adjacent (IPv4) 43
Adjacent (IPv6) 32
Upstream graph Who carries AS266445, and who carries them, drawn as a map up to the transit-free core. 4 exchanges Where AS266445 physically turns up to peer, and its address on each fabric.

Transit

Upstream networks

inferred

Networks observed carrying traffic for AS266445: 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
AS4230CLARO S.A.ResidentialIPv4 IPv6326
AS7738V talUnclassifiedIPv4 IPv6213
AS174Cogent Communications, LLCTransitIPv4 IPv6101
AS6939Hurricane Electric LLCTransitIPv4 IPv640
AS26615TIM S/AMobileIPv631
AS24482SG.GSHostingIPv4 IPv69
AS35280F5 Networks SARLHostingIPv42
AS37721Virtual Technologies & SolutionsResidentialIPv42

Transit

Downstream networks

All 35

Networks for which AS266445 was observed as the last hop before the origin, meaning it appears to provide them transit.

ASNetworkTypeFamiliesPaths seen
AS267943SOL PROVEDOR DE INTERNETE LTDA - MEUnclassifiedIPv4 IPv6599
AS268230SEA TELECOM LTDAResidentialIPv4 IPv6582
AS268549A. G. BRAGA E CIA LTDAUnclassifiedIPv4441
AS61862PROVEDOR DE INTERNET DE ANAPU LTDA - MEUnclassifiedIPv4 IPv6311
AS268930Ilhas Net LTDA - MEUnclassifiedIPv4 IPv6306
AS263262MOV TELECOM LTDAUnclassifiedIPv4 IPv6258
AS263501INFORTECLINE TELECOMUnclassifiedIPv4244
AS263258INTERLIG TELECOMUnclassifiedIPv4 IPv6218
AS270786SEA TELECOM LTDAUnclassifiedIPv4 IPv6218
AS271457VOLTSNET PROVEDOR COMERCIO E SERVICO LTDA ME MEUnclassifiedIPv4 IPv6214

All 35 downstreams →

Adjacency

Adjacent networks

All 46

Every AS seen directly next to AS266445 in a routing path, in either direction.

ASNetworkTypeFamiliesPaths seen
AS4230CLARO S.A.ResidentialIPv4 IPv64,418
AS7738V talUnclassifiedIPv4 IPv61,300
AS263258INTERLIG TELECOMUnclassifiedIPv4 IPv6809
AS6939Hurricane Electric LLCTransitIPv4 IPv6769
AS267943SOL PROVEDOR DE INTERNETE LTDA - MEUnclassifiedIPv4 IPv6599
AS268230SEA TELECOM LTDAResidentialIPv4 IPv6582
AS268549A. G. BRAGA E CIA LTDAUnclassifiedIPv4441
AS263262MOV TELECOM LTDAUnclassifiedIPv4 IPv6373
AS61862PROVEDOR DE INTERNET DE ANAPU LTDA - MEUnclassifiedIPv4 IPv6311
AS268930Ilhas Net LTDA - MEUnclassifiedIPv4 IPv6306

All 46 adjacent →

Provenance

Where this comes from

Derived from routing tables collected at 2026-11-13 10:00 UTC by route-views2,rrc00, as seen from 75 BGP vantage points across 74.40M 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.