AS266000 R F de Souza Junior

AS266000 - R F de Souza Junior · registered in Brazil

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

Rank in Brazil#3,146largest network in BR by IPv4 space, of 7,969 · <0.01% of BR

Rank worldwide#31,846of 79,396 networks with IPv4

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

CountryBrazil8,771 ASNs registered there

Open AS266000 in ASN lookup Look up an IP in this network (181.191.40.1) All networks in Brazil

IPv4 prefixes

All 1 prefix, in address order.

181.191.40.0/22

IPv6 prefixes

All 1 prefix.

2804:410c::/32

Similar-sized networks in Brazil

ASNNameIPv4 addresses

AS265997#3143 AS265997 - ARTNET TELECOM1,024

AS265998#3144 AS265998 - C LINS NET SERVICOS DE INTERNET LTDA - ME1,024

AS265999#3145 AS265999 - Cianet Provedor de Internet EIRELI1,024

AS266002#3147 AS266002 - MUNDIAL NET PROVEDOR DE INTERNET1,024

AS266004#3148 AS266004 - VIAWEB TELECOMUNICACOES LTDA1,024

AS266005#3149 AS266005 - C. X. B. TELECOMUNICACOES LTDA - ME1,024

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