AS28606 FSOnline Internet

AS28606 - FSOnline Internet · registered in Brazil

IPv4 addresses5,1204 prefixes · <0.001% of announced IPv4

Rank in Brazil#571largest network in BR by IPv4 space, of 7,969 · <0.01% of BR

Rank worldwide#13,312of 79,396 networks with IPv4

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

CountryBrazil8,771 ASNs registered there

Open AS28606 in ASN lookup Look up an IP in this network (138.59.112.1) All networks in Brazil

IPv4 prefixes

All 4 prefixes, in address order.

138.59.112.0/22
201.20.160.0/21
201.20.168.0/22
201.20.172.0/22

IPv6 prefixes

All 1 prefix.

2804:44::/32

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AS28636#572 AS28636 - CDI TELECOM5,120

AS52564#573 AS52564 - Biazi Telecom5,120

AS52565#574 AS52565 - EDGAR RODRIGUES ROMAO FILHO ME5,120

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