AS21612 FUNDACAO INSTITUTO OSWALDO CRUZ

AS21612 - FUNDACAO INSTITUTO OSWALDO CRUZ · registered in Brazil

IPv4 addresses65,53641 prefixes · 0.002% of announced IPv4

Rank in Brazil#58largest network in BR by IPv4 space, of 7,969 · 0.09% of BR

Rank worldwide#3,232of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryBrazil8,771 ASNs registered there

Open AS21612 in ASN lookup Look up an IP in this network (157.86.0.1) All networks in Brazil

IPv4 prefixes

All 41 prefixes, in address order.

157.86.0.0/19
157.86.32.0/21
157.86.40.0/22
157.86.44.0/22
157.86.48.0/23
157.86.50.0/23
157.86.52.0/22
157.86.56.0/23
157.86.58.0/23
157.86.60.0/23
157.86.62.0/23
157.86.64.0/20
157.86.80.0/22
157.86.84.0/23
157.86.86.0/23
157.86.88.0/21
157.86.96.0/20
157.86.112.0/21
157.86.120.0/23
157.86.122.0/24
157.86.123.0/24
157.86.124.0/23
157.86.126.0/23
157.86.128.0/24
157.86.129.0/24
157.86.130.0/23
157.86.132.0/22
157.86.136.0/23
157.86.138.0/23
157.86.140.0/24
157.86.141.0/24
157.86.142.0/23
157.86.144.0/20
157.86.160.0/19
157.86.192.0/19
157.86.224.0/21
157.86.232.0/22
157.86.236.0/24
157.86.237.0/24
157.86.238.0/23
157.86.240.0/20

Similar-sized networks in Brazil

ASNNameIPv4 addresses

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

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

AS21506#57 AS21506 - Fundacao Universidade de Brasilia65,536

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

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

AS262534#61 AS262534 - Laboratorio Nacional de Computacao Cientifica65,536

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