AS53173 — AS53173 - Sobral Telecomunicacoes Ltda

Network type: residential

AS53173 announces 4 IPv4 prefixes covering 3,840 addresses and 5 IPv6 prefixes.

About this network

The AS handle is SOBRALNET SERVICOS E TELECOMUNICACOES LTDA - ME, held by Sobral Telecomunicacoes Ltda.

What it's used for

• The address space carries residential and business internet access, evidenced by reverse DNS entries like 177-44-178-0.sobralnet.net.br and the netnames 430513 through 430516.
• The network announces 3,840 IPv4 addresses across 4 prefixes and 6 IPv6 prefixes, with 35 observed neighbours, indicating a regional access provider rather than a transit hub.
• Traffic from this AS consists of subscriber eyeballs for internet access in the Sobral, Ceará region of Brazil.

Notable

• All registrants for the announced prefixes are listed as Sobral Telecomunicações Ltda, matching the AS holder.
• The address inventory is contiguous within the 177.44.176.0/21 range, subdivided into four distinct prefixes.

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

Announced prefixes

• 177.44.176.0/21
• 177.44.184.0/22
• 177.44.188.0/23
• 177.44.190.0/24
• 2804:e4c::/48
• 2804:e4c:3c00::/38
• 2804:e4c:6000::/38
• 2804:e4c:8000::/38
• 2804:e4c:a000::/38

Upstream networks

• AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S.
• AS37468 Angola Cables
• AS6939 Hurricane Electric LLC
• AS61832 DB3 SERVICOS DE TELECOMUNICACOES S.A
• AS13786 Seabras 1 USA, LLC
• AS24482 SG.GS
• AS35280 F5 Networks SARL
• AS37721 Virtual Technologies & Solutions

Downstream networks

• AS273671 Acesso com
• AS266458 MEGGANET INTERNET E INFORMATICA LTDA
• AS271215 4CJ SERVICOS E TELECOMUNICACOES LTDA
• AS271493 SPEED NET PEDRA
• AS265335 PLANETA NET TELECOM
• AS275860 FJOBA3
• AS272284 A C N DE MOURA - ME

Adjacent networks

• AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S.
• AS37468 Angola Cables
• AS271215 4CJ SERVICOS E TELECOMUNICACOES LTDA
• AS6939 Hurricane Electric LLC
• AS273671 Acesso com
• AS272284 A C N DE MOURA - ME
• AS266458 MEGGANET INTERNET E INFORMATICA LTDA
• AS271493 SPEED NET PEDRA
• AS265335 PLANETA NET TELECOM
• AS13786 Seabras 1 USA, LLC
• AS263309 LaraNet Telecomunicacoes e Servicos EIRALI
• AS61832 DB3 SERVICOS DE TELECOMUNICACOES S.A
• AS24482 SG.GS
• AS275860 FJOBA3
• AS35280 F5 Networks SARL
• AS37721 Virtual Technologies & Solutions

Routing security

• RPKI: 0 valid, 0 invalid and 17 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 12% of announcements registered; 20 route objects.
• Listed in as-sets: AS-1TELECOM-CUSTOMERS01, AS-53427-TGLOBAL, AS-CTBC-CUSTOMERS47, AS-CTBC-CUSTOMERS48, AS-CTBC-TOOLS-11, AS-DURAND1-CUSTOMER, AS-EMBRATELNET, AS-FORTEL-CUSTOMERS, AS-HURRICANE, AS-MOB-CUSTOMER-AS53173, AS-MOB-CUSTOMER-AS61832, AS-TIX, AS-ULTRAFIBRA, AS-ULTRAFIBRA-CUSTOMERS, AS264409:AS-CONE, AS52320:AS-CUSTOMERS, AS53013:AS-CONE, AS61568:AS-ALOO-TELECOM.

Internet exchanges

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