AS28278 TELLFREE BRASIL TELEFONIA IP S.A.

AS28278 - TELLFREE BRASIL TELEFONIA IP S.A. · registered in Brazil

IPv4 addresses3,5846 prefixes · <0.001% of announced IPv4

Rank in Brazil#1,028largest network in BR by IPv4 space, of 7,969 · <0.01% of BR

Rank worldwide#17,007of 79,396 networks with IPv4

IPv632,768 x /481 prefixes

CountryBrazil8,771 ASNs registered there

Open AS28278 in ASN lookup Look up an IP in this network (201.33.208.1) All networks in Brazil

IPv4 prefixes

All 6 prefixes, in address order.

201.33.208.0/22
201.33.212.0/23
201.33.214.0/24
201.33.216.0/23
201.33.219.0/24
201.33.220.0/22

IPv6 prefixes

All 1 prefix.

2804:8b2c:8000::/33

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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