AS263979 CYBERNETRS LTDA - ME

AS263979 - CYBERNETRS LTDA - ME · registered in Brazil

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

Rank in Brazil#2,545largest network in BR by IPv4 space, of 7,969 · <0.01% of BR

Rank worldwide#31,176of 79,396 networks with IPv4

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

CountryBrazil8,771 ASNs registered there

Open AS263979 in ASN lookup Look up an IP in this network (138.255.176.1) All networks in Brazil

IPv4 prefixes

All 1 prefix, in address order.

138.255.176.0/22

IPv6 prefixes

All 1 prefix.

2804:28c4::/32

Similar-sized networks in Brazil

ASNNameIPv4 addresses

AS263973#2542 AS263973 - Silmar Zamboni Bertoncheli & CIA. LTDA.1,024

AS263974#2543 AS263974 - VELOX NET MA LTDA1,024

AS263976#2544 AS263976 - InfoVision Telecom1,024

AS263983#2546 AS263983 - CIT INFORMATICA1,024

AS263987#2547 AS263987 - E. DA SILVA PROVEDORES DE TELECOMUNICACOES EIRELI1,024

AS263988#2548 AS263988 - NET BARRA1,024

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