AS28577 AZEVEDO E FLORIANI TELECOMUNICACOES LTDA.

AS28577 - AZEVEDO E FLORIANI TELECOMUNICACOES LTDA. · registered in Brazil

IPv4 addresses3,0722 prefixes · <0.001% of announced IPv4

Rank in Brazil#1,066largest network in BR by IPv4 space, of 7,969 · <0.01% of BR

Rank worldwide#18,040of 79,396 networks with IPv4

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

CountryBrazil8,771 ASNs registered there

Open AS28577 in ASN lookup Look up an IP in this network (138.99.52.1) All networks in Brazil

IPv4 prefixes

All 2 prefixes, in address order.

138.99.52.0/22
186.208.216.0/21

IPv6 prefixes

All 1 prefix.

2804:d74::/32

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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