AS265181 S1 Telecomunicacoes e Sistemas de Informacao LTDA

AS265181 - S1 Telecomunicacoes e Sistemas de Informacao LTDA · registered in Brazil

IPv4 addresses2,0482 prefixes · <0.001% of announced IPv4

Rank in Brazil#1,978largest network in BR by IPv4 space, of 7,969 · <0.01% of BR

Rank worldwide#24,398of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryBrazil8,771 ASNs registered there

Open AS265181 in ASN lookup Look up an IP in this network (167.249.132.1) All networks in Brazil

IPv4 prefixes

All 2 prefixes, in address order.

167.249.132.0/22
170.233.36.0/22

Similar-sized networks in Brazil

ASNNameIPv4 addresses

AS264316#1975 AS264316 - IZAZ PROCESSAMENTO DE DADOS LTDA2,048

AS264549#1976 AS264549 - ADVANX INFORMATICA LTDA2,048

AS265153#1977 AS265153 - HARDONLINE LTDA - EPP2,048

AS265215#1979 AS265215 - FiberNet Telecom2,048

AS28223#1980 AS28223 - Linca Telecomunicacoes LTDA1,792

AS52567#1981 AS52567 - NEXNET FIBRA INTERNET1,792

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources