AS273490 FIBRION INTERNET LTDA

AS273490 - FIBRION INTERNET LTDA · registered in Brazil

IPv4 addresses23,04015 prefixes · <0.001% of announced IPv4

Rank in Brazil#127largest network in BR by IPv4 space, of 7,969 · 0.03% of BR

Rank worldwide#5,690of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryBrazil8,771 ASNs registered there

Open AS273490 in ASN lookup Look up an IP in this network (131.255.100.1) All networks in Brazil

IPv4 prefixes

All 15 prefixes, in address order.

131.255.100.0/22
138.59.148.0/23
138.204.92.0/22
170.81.170.0/23
177.184.196.0/22
177.184.200.0/22
177.222.16.0/21
177.222.28.0/22
187.62.208.0/20
191.240.144.0/21
191.240.152.0/22
191.240.156.0/23
200.15.32.0/20
200.229.228.0/22
200.229.232.0/21

IPv6 prefixes

All 1 prefix.

2804:8f6c::/32

Similar-sized networks in Brazil

ASNNameIPv4 addresses

AS262663#124 AS262663 - METROFLEX TELECOMUNICACOES LTDA23,296

AS7465#125 AS7465 - PROCERGS - Cia de Processamento de Dados do RGS23,296

AS28652#126 AS28652 - Telecomunicacoes Nordeste Ltda.23,040

AS262272#128 AS262272 - VERO S.A22,528

AS27693#129 AS27693 - NipBr - NipCable do Brasil Telecom LTDA22,016

AS28169#130 AS28169 - BITCOM PROVEDOR DE SERVICOS DE INTERNET LTDA21,504

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