AS61591 — AS61591 - WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME

Network type: residential

AS61591 announces 3 IPv4 prefixes covering 3,072 addresses and 1 IPv6 prefixes.

About this network

WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME is the AS handle for Westlink Tecnologia e Comunicação.

What it's used for

• The address space carries residential and business access traffic, evidenced by reverse DNS entries such as 45-237-73-0.westlink.net.br and 170-247-41-0.westlink.net.br.
• The AS announces 3072 IPv4 addresses across 3 prefixes and 1 IPv6 prefix, while maintaining 37 observed neighbours, a ratio consistent with a regional access provider rather than a transit carrier.
• Traffic from this AS consists of subscriber eyeballs and fixed-line endpoints, as the operator is registered as a provider of access to communication networks in Maricá, RJ.

Notable

• All registrants for the announced prefixes (45.237.72.0/22, 138.97.64.0/22, 170.247.40.0/22) match the AS holder, Westlink Tecnologia e Comunicação Ltda. - ME.
• The address inventory is composed of three /22 blocks and a single /32 IPv6 prefix, all located in Brazil.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 45.237.72.0/22
• 138.97.64.0/22
• 170.247.40.0/22
• 2804:231c::/32

Upstream networks

• AS3356 Level 3 Parent, LLC
• AS6939 Hurricane Electric LLC
• AS272713 CDN Star Ltda
• AS24482 SG.GS
• AS37721 Virtual Technologies & Solutions
• AS35280 F5 Networks SARL

Downstream networks

• AS61613 TMSoft Solucoes em Informatica Ltda
• AS263499 Telecom Conectividade
• AS268675 Web Fiber Provedor Telecom Acesso A Redes de Inter
• AS268131 MIX NET TELECOMUNICACOES LTDA - ME
• AS267237 Elevalink Telecomunicacoes LTDA - ME
• AS264527 LRF CONECTIONS SERVICOS LTDA ME
• AS271293 Navenet Informatica Ltda
• AS263508 SIMNET TELECOMUNICACOES LTDA

Adjacent networks

• AS3356 Level 3 Parent, LLC
• AS61613 TMSoft Solucoes em Informatica Ltda
• AS6939 Hurricane Electric LLC
• AS268131 MIX NET TELECOMUNICACOES LTDA - ME
• AS267237 Elevalink Telecomunicacoes LTDA - ME
• AS263499 Telecom Conectividade
• AS268675 Web Fiber Provedor Telecom Acesso A Redes de Inter
• AS264527 LRF CONECTIONS SERVICOS LTDA ME
• AS271293 Navenet Informatica Ltda
• AS37721 Virtual Technologies & Solutions
• AS24482 SG.GS
• AS263508 SIMNET TELECOMUNICACOES LTDA
• AS272713 CDN Star Ltda
• AS35280 F5 Networks SARL
• AS263009 FORTE TELECOM LTDA.

Routing security

• RPKI: 28 valid, 0 invalid and 0 not-found announcements; 10 ROAs.
• ASPA: none published.
• IRR: 43% of announcements registered; 28 route objects.
• Listed in as-sets: AS-CTBC-CUSTOMERS82, AS-CTBC-TOOLS-1, AS-DURAND1-CUSTOMER, AS-FORTE-TELECOM-CUSTOMER-IX-CLOUD, AS-FORTE-TELECOM-CUSTOMER-POC, AS-FORTE-TELECOM-DOWNSTREAMS, AS-UFINET-LATAM-BRASIL, AS-UPIX-CUSTOMERS, AS-WESTLINK, AS264409:AS-CONE, AS40850:AS-CUSTOMERS, AS53013:AS-CONE.

Internet exchanges

• IX.br (PTT.br) São Paulo — São Paulo, Brazil