AS271128 FAST WEB

AS271128 - FAST WEB · registered in Brazil

IPv4 addresses1,0241 prefixes · <0.001% of announced IPv4

Rank in Brazil#5,373largest network in BR by IPv4 space, of 7,969 · <0.01% of BR

Rank worldwide#34,193of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)2 prefixes

CountryBrazil8,771 ASNs registered there

Open AS271128 in ASN lookup Look up an IP in this network (179.42.48.1) All networks in Brazil

IPv4 prefixes

All 1 prefix, in address order.

179.42.48.0/22

IPv6 prefixes

All 2 prefixes.

2804:76b0::/33
2804:76b0:8000::/33

Similar-sized networks in Brazil

ASNNameIPv4 addresses

AS271125#5370 AS271125 - COMBO BRASIL INFORMATICA LTDA1,024

AS271126#5371 AS271126 - ONDANET PE1,024

AS271127#5372 AS271127 - infonet comercio de informatica ltda me1,024

AS271129#5374 AS271129 - Rt Comunicacoes LTDA1,024

AS271131#5375 AS271131 - Giga Sul Telecom1,024

AS271133#5376 AS271133 - M & A tecnologia e Transportes1,024

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