AS263004 CZNET PROVEDOR DE INTERNET LTDA

AS263004 - CZNET PROVEDOR DE INTERNET LTDA · registered in Brazil

IPv4 addresses4,0965 prefixes · <0.001% of announced IPv4

Rank in Brazil#850largest network in BR by IPv4 space, of 7,969 · <0.01% of BR

Rank worldwide#15,318of 79,396 networks with IPv4

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

CountryBrazil8,771 ASNs registered there

Open AS263004 in ASN lookup Look up an IP in this network (45.7.72.1) All networks in Brazil

IPv4 prefixes

All 5 prefixes, in address order.

45.7.72.0/22
143.208.228.0/22
186.237.16.0/23
186.237.18.0/23
186.237.20.0/22

IPv6 prefixes

All 1 prefix.

2804:2be4::/32

Similar-sized networks in Brazil

ASNNameIPv4 addresses

AS262890#847 AS262890 - SARTORI TECNOLOGIA DA INFORMACAO LTDA ME4,096

AS262995#848 AS262995 - NETDIGITAL TELECOMUNICACOES LTDA4,096

AS262999#849 AS262999 - IVI TECNOLOGIA E COMUNICACAO LTDA4,096

AS263018#851 AS263018 - Zapelini & Cia. Ltda.4,096

AS263024#852 AS263024 - ARAUJO SAT SERVICOS DE MULTIMIDIA LTDA4,096

AS263026#853 AS263026 - IBL Banda Larga Internet Informatica LTDA4,096

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