AS266432 Tribunal Regional Federal da 4a Regiao

AS266432 - Tribunal Regional Federal da 4a Regiao · registered in Brazil

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Brazil#7,889largest network in BR by IPv4 space, of 7,969 · <0.01% of BR

Rank worldwide#76,602of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryBrazil8,771 ASNs registered there

Open AS266432 in ASN lookup Look up an IP in this network (170.81.138.1) All networks in Brazil

IPv4 prefixes

All 1 prefix, in address order.

170.81.138.0/24

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ASNNameIPv4 addresses

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AS266512#7891 AS266512 - FUNDACAO UNIVERSIDADE ESTADUAL DO PIAUI - FUESPI256

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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