AS263273 INST. FED. DE EDUCACAO CIENCIA E TECNO FLUMINENSE

AS263273 - INST. FED. DE EDUCACAO CIENCIA E TECNO FLUMINENSE · registered in Brazil

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Brazil#7,827largest network in BR by IPv4 space, of 7,969 · <0.01% of BR

Rank worldwide#76,476of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryBrazil8,771 ASNs registered there

Open AS263273 in ASN lookup Look up an IP in this network (191.37.254.1) All networks in Brazil

IPv4 prefixes

All 1 prefix, in address order.

191.37.254.0/24

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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