AS28660 OPEN SYSTEM LTDA

AS28660 - OPEN SYSTEM LTDA · registered in Brazil

IPv4 addresses2,0481 prefixes · <0.001% of announced IPv4

Rank in Brazil#1,926largest network in BR by IPv4 space, of 7,969 · <0.01% of BR

Rank worldwide#23,113of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryBrazil8,771 ASNs registered there

Open AS28660 in ASN lookup Look up an IP in this network (201.87.224.1) All networks in Brazil

IPv4 prefixes

All 1 prefix, in address order.

201.87.224.0/21

Similar-sized networks in Brazil

ASNNameIPv4 addresses

AS28342#1923 AS28342 - IMICRO PROVEDORES DE INTERNET LTDA2,048

AS28344#1924 AS28344 - FIDELITY NATIONAL PARTICIPACOES E SERVICOS DE INFO2,048

AS28369#1925 AS28369 - SIGNALLINK INFORMATICA LTDA2,048

AS52577#1927 AS52577 - Vianna Mehl Servicos de Telecomunicacoes Voip Ltda2,048

AS52624#1928 AS52624 - WEB TELECOMUNICACOES LTDA2,048

AS52673#1929 AS52673 - WI-MAX INTERNET LTDA2,048

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