asn.dev

Address space

AS21612 FUNDACAO INSTITUTO OSWALDO CRUZ

IPv4 prefixes 41 65.54K addresses
IPv6 prefixes 0
Most common size /23 IPv4
Flagged 0

Shape

Prefix sizes

IPv4
/19
/19: 3
3
/20
/20: 4
4
/21
/21: 4
4
/22
/22: 6
6
/23
/23: 16
16
/24
/24: 8
8

How this network carves its IPv4 space. A wall of /24s usually means many small customer assignments or fine-grained traffic engineering; a few short prefixes means large contiguous allocations announced whole.

Geography

Where the space lands

CountryNamePrefixes
BRBrazil41

Inventory

All prefixes

41 total
PrefixFamilyAddressesCountryFlags
157.86.0.0/19IPv48,192BR
157.86.32.0/21IPv42,048BR
157.86.40.0/22IPv41,024BR
157.86.44.0/22IPv41,024BR
157.86.48.0/23IPv4512BR
157.86.50.0/23IPv4512BR
157.86.52.0/22IPv41,024BR
157.86.56.0/23IPv4512BR
157.86.58.0/23IPv4512BR
157.86.60.0/23IPv4512BR
157.86.62.0/23IPv4512BR
157.86.64.0/20IPv44,096BR
157.86.80.0/22IPv41,024BR
157.86.84.0/23IPv4512BR
157.86.86.0/23IPv4512BR
157.86.88.0/21IPv42,048BR
157.86.96.0/20IPv44,096BR
157.86.112.0/21IPv42,048BR
157.86.120.0/23IPv4512BR
157.86.122.0/24IPv4256BR
157.86.123.0/24IPv4256BR
157.86.124.0/23IPv4512BR
157.86.126.0/23IPv4512BR
157.86.128.0/24IPv4256BR
157.86.129.0/24IPv4256BR
157.86.130.0/23IPv4512BR
157.86.132.0/22IPv41,024BR
157.86.136.0/23IPv4512BR
157.86.138.0/23IPv4512BR
157.86.140.0/24IPv4256BR
157.86.141.0/24IPv4256BR
157.86.142.0/23IPv4512BR
157.86.144.0/20IPv44,096BR
157.86.160.0/19IPv48,192BR
157.86.192.0/19IPv48,192BR
157.86.224.0/21IPv42,048BR
157.86.232.0/22IPv41,024BR
157.86.236.0/24IPv4256BR
157.86.237.0/24IPv4256BR
157.86.238.0/23IPv4512BR
157.86.240.0/20IPv44,096BR