AS21506 Fundacao Universidade de Brasilia

AS21506 - Fundacao Universidade de Brasilia · registered in Brazil

IPv4 addresses65,5361 prefixes · 0.002% of announced IPv4

Rank in Brazil#57largest network in BR by IPv4 space, of 7,969 · 0.09% of BR

Rank worldwide#2,987of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryBrazil8,771 ASNs registered there

Open AS21506 in ASN lookup Look up an IP in this network (164.41.0.1) All networks in Brazil

IPv4 prefixes

All 1 prefix, in address order.

164.41.0.0/16

IPv6 prefixes

All 1 prefix.

2801:80:b90::/48

Similar-sized networks in Brazil

ASNNameIPv4 addresses

AS23074#54 AS23074 - PETROLEO BRASILEIRO S.A. - PETROBRAS65,536

AS263300#55 AS263300 - Universidade Federal de Santa Catarina65,536

AS271354#56 AS271354 - UNIVERSIDADE FEDERAL DE MINAS GERAIS65,536

AS21612#58 AS21612 - FUNDACAO INSTITUTO OSWALDO CRUZ65,536

AS28222#59 AS28222 - INSTITUTO NACIONAL DE PESQUISAS ESPACIAIS65,536

AS61612#60 AS61612 - DEPARTAMENTO DE CIENCIA E TECNOLOGIA AEROESPACIAL65,536

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