asn.dev

Address space

AS1916 Rede Nacional de Ensino e Pesquisa

IPv4 prefixes 294 660K addresses
IPv6 prefixes 47
Most common size /24 IPv4
Flagged 79

Shape

Prefix sizes

IPv4
/16
/16: 2
2
/17
/17: 1
1
/18
/18: 8
8
/19
/19: 12
12
/20
/20: 32
32
/21
/21: 26
26
/22
/22: 40
40
/23
/23: 42
42
/24
/24: 52
52
/25
/25: 35
35
/26
/26: 39
39
/27
/27: 5
5

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.

Shape

Prefix sizes

IPv6
/39
/39: 1
1
/40
/40: 2
2
/41
/41: 10
10
/42
/42: 27
27
/43
/43: 1
1
/44
/44: 1
1
/45
/45: 1
1
/46
/46: 1
1
/47
/47: 1
1
/48
/48: 2
2

Geography

Where the space lands

CountryNamePrefixes
BRBrazil341

Review

Flagged prefixes

79 of 341
PrefixFamilyAddressesCountryFlags
186.249.222.128/27IPv432BRToo specific
200.17.2.0/26IPv464BRToo specific
200.17.2.64/26IPv464BRToo specific
200.17.2.128/25IPv4128BRToo specific
200.17.39.0/26IPv464BRToo specific
200.17.39.64/26IPv464BRToo specific
200.17.39.128/25IPv4128BRToo specific
200.17.50.0/25IPv4128BRToo specific
200.17.50.128/25IPv4128BRToo specific
200.17.124.0/25IPv4128BRToo specific
200.17.124.128/25IPv4128BRToo specific
200.17.135.0/25IPv4128BRToo specific
200.17.135.128/25IPv4128BRToo specific
200.18.24.128/25IPv4128BRToo specific
200.18.25.128/26IPv464BRToo specific
200.18.146.0/26IPv464BRToo specific
200.18.146.64/26IPv464BRToo specific
200.18.146.128/25IPv4128BRToo specific
200.129.61.0/26IPv464BRToo specific
200.129.61.64/26IPv464BRToo specific
200.129.61.128/25IPv4128BRToo specific
200.129.63.0/26IPv464BRToo specific
200.129.63.64/27IPv432BRToo specific
200.129.63.96/27IPv432BRToo specific
200.129.63.128/25IPv4128BRToo specific
200.129.95.0/25IPv4128BRToo specific
200.129.95.128/26IPv464BRToo specific
200.129.95.192/26IPv464BRToo specific
200.129.154.0/25IPv4128BRToo specific
200.129.154.128/26IPv464BRToo specific
200.129.154.192/26IPv464BRToo specific
200.129.236.0/26IPv464BRToo specific
200.129.236.64/26IPv464BRToo specific
200.129.236.128/25IPv4128BRToo specific
200.130.224.0/26IPv464BRToo specific
200.130.224.64/26IPv464BRToo specific
200.130.224.128/25IPv4128BRToo specific
200.133.16.0/25IPv4128BRToo specific
200.133.16.128/27IPv432BRToo specific
200.133.16.160/27IPv432BRToo specific
200.133.16.192/26IPv464BRToo specific
200.133.26.0/26IPv464BRToo specific
200.133.26.64/26IPv464BRToo specific
200.133.26.128/25IPv4128BRToo specific
200.133.47.0/26IPv464BRToo specific
200.133.47.64/26IPv464BRToo specific
200.133.47.128/25IPv4128BRToo specific
200.133.48.0/26IPv464BRToo specific
200.133.48.64/26IPv464BRToo specific
200.133.48.128/25IPv4128BRToo specific
200.133.50.0/26IPv464BRToo specific
200.133.50.64/26IPv464BRToo specific
200.133.50.128/25IPv4128BRToo specific
200.133.66.0/26IPv464BRToo specific
200.133.66.64/26IPv464BRToo specific
200.133.66.128/25IPv4128BRToo specific
200.133.162.0/26IPv464BRToo specific
200.133.162.64/26IPv464BRToo specific
200.133.162.128/25IPv4128BRToo specific
200.137.3.0/25IPv4128BRToo specific
200.137.3.128/25IPv4128BRToo specific
200.137.134.0/25IPv4128BRToo specific
200.137.134.128/25IPv4128BRToo specific
200.137.148.0/25IPv4128BRToo specific
200.137.148.128/25IPv4128BRToo specific
200.137.164.0/26IPv464BRToo specific
200.137.164.64/26IPv464BRToo specific
200.137.164.128/25IPv4128BRToo specific
200.137.165.0/25IPv4128BRToo specific
200.137.165.128/25IPv4128BRToo specific
200.137.176.0/25IPv4128BRToo specific
200.137.176.128/26IPv464BRToo specific
200.137.176.192/26IPv464BRToo specific
200.137.179.0/26IPv464BRToo specific
200.137.179.64/26IPv464BRToo specific
200.137.179.128/25IPv4128BRToo specific
200.237.1.0/25IPv4128BRToo specific
200.237.1.128/26IPv464BRToo specific
200.237.1.192/26IPv464BRToo specific

A flag is an observation, not an accusation. Very large and very specific prefixes are both legitimate in the right context.

Inventory

All prefixes

341 total
PrefixFamilyAddressesCountryFlags
132.255.96.0/22IPv41,024BR
150.161.0.0/16IPv465,536BR
150.165.0.0/16IPv465,536BR
186.249.222.128/27IPv432BRToo specific
200.17.0.0/23IPv4512BR
200.17.2.0/26IPv464BRToo specific
200.17.2.64/26IPv464BRToo specific
200.17.2.128/25IPv4128BRToo specific
200.17.3.0/24IPv4256BR
200.17.4.0/22IPv41,024BR
200.17.8.0/21IPv42,048BR
200.17.32.0/22IPv41,024BR
200.17.36.0/23IPv4512BR
200.17.38.0/24IPv4256BR
200.17.39.0/26IPv464BRToo specific
200.17.39.64/26IPv464BRToo specific
200.17.39.128/25IPv4128BRToo specific
200.17.40.0/21IPv42,048BR
200.17.48.0/23IPv4512BR
200.17.50.0/25IPv4128BRToo specific
200.17.50.128/25IPv4128BRToo specific
200.17.51.0/24IPv4256BR
200.17.52.0/22IPv41,024BR
200.17.56.0/21IPv42,048BR
200.17.64.0/20IPv44,096BR
200.17.112.0/22IPv41,024BR
200.17.116.0/23IPv4512BR
200.17.118.0/24IPv4256BR
200.17.119.0/24IPv4256BR
200.17.120.0/22IPv41,024BR
200.17.124.0/25IPv4128BRToo specific
200.17.124.128/25IPv4128BRToo specific
200.17.125.0/24IPv4256BR
200.17.126.0/23IPv4512BR
200.17.128.0/22IPv41,024BR
200.17.132.0/23IPv4512BR
200.17.134.0/24IPv4256BR
200.17.135.0/25IPv4128BRToo specific
200.17.135.128/25IPv4128BRToo specific
200.17.136.0/21IPv42,048BR
200.17.144.0/20IPv44,096BR
200.17.176.0/20IPv44,096BR
200.18.24.128/25IPv4128BRToo specific
200.18.25.128/26IPv464BRToo specific
200.18.80.0/20IPv44,096BR
200.18.128.0/20IPv44,096BR
200.18.144.0/23IPv4512BR
200.18.146.0/26IPv464BRToo specific
200.18.146.64/26IPv464BRToo specific
200.18.146.128/25IPv4128BRToo specific
200.18.147.0/24IPv4256BR
200.18.148.0/22IPv41,024BR
200.18.152.0/21IPv42,048BR
200.18.160.0/19IPv48,192BR
200.18.192.0/19IPv48,192BR
200.19.16.0/20IPv44,096BR
200.19.32.0/20IPv44,096BR
200.19.112.0/20IPv44,096BR
200.19.128.0/20IPv44,096BR
200.19.144.0/21IPv42,048BR
200.19.152.0/22IPv41,024BR
200.19.156.0/22IPv41,024BR
200.19.160.0/19IPv48,192BR
200.128.128.0/18IPv416,384BR
200.129.0.0/23IPv4512BR
200.129.2.0/23IPv4512BR
200.129.4.0/22IPv41,024BR
200.129.8.0/21IPv42,048BR
200.129.16.0/20IPv44,096BR
200.129.32.0/20IPv44,096BR
200.129.48.0/21IPv42,048BR
200.129.56.0/22IPv41,024BR
200.129.60.0/24IPv4256BR
200.129.61.0/26IPv464BRToo specific
200.129.61.64/26IPv464BRToo specific
200.129.61.128/25IPv4128BRToo specific
200.129.62.0/24IPv4256BR
200.129.63.0/26IPv464BRToo specific
200.129.63.64/27IPv432BRToo specific
200.129.63.96/27IPv432BRToo specific
200.129.63.128/25IPv4128BRToo specific
200.129.64.0/20IPv44,096BR
200.129.80.0/21IPv42,048BR
200.129.88.0/22IPv41,024BR
200.129.92.0/23IPv4512BR
200.129.94.0/24IPv4256BR
200.129.95.0/25IPv4128BRToo specific
200.129.95.128/26IPv464BRToo specific
200.129.95.192/26IPv464BRToo specific
200.129.96.0/21IPv42,048BR
200.129.104.0/21IPv42,048BR
200.129.112.0/20IPv44,096BR
200.129.128.0/20IPv44,096BR
200.129.144.0/21IPv42,048BR
200.129.152.0/23IPv4512BR
200.129.154.0/25IPv4128BRToo specific
200.129.154.128/26IPv464BRToo specific
200.129.154.192/26IPv464BRToo specific
200.129.155.0/24IPv4256BR
200.129.156.0/22IPv41,024BR
200.129.160.0/20IPv44,096BR
200.129.176.0/21IPv42,048BR
200.129.184.0/22IPv41,024BR
200.129.188.0/24IPv4256BR
200.129.189.0/24IPv4256BR
200.129.190.0/23IPv4512BR
200.129.192.0/19IPv48,192BR
200.129.224.0/21IPv42,048BR
200.129.232.0/23IPv4512BR
200.129.234.0/23IPv4512BR
200.129.236.0/26IPv464BRToo specific
200.129.236.64/26IPv464BRToo specific
200.129.236.128/25IPv4128BRToo specific
200.129.237.0/24IPv4256BR
200.129.238.0/23IPv4512BR
200.129.240.0/20IPv44,096BR
200.130.0.0/19IPv48,192BR
200.130.32.0/20IPv44,096BR
200.130.48.0/22IPv41,024BR
200.130.52.0/23IPv4512BR
200.130.55.0/24IPv4256BR
200.130.57.0/24IPv4256BR
200.130.58.0/23IPv4512BR
200.130.60.0/22IPv41,024BR
200.130.64.0/18IPv416,384BR
200.130.128.0/18IPv416,384BR
200.130.192.0/19IPv48,192BR
200.130.224.0/26IPv464BRToo specific
200.130.224.64/26IPv464BRToo specific
200.130.224.128/25IPv4128BRToo specific
200.130.225.0/24IPv4256BR
200.130.226.0/23IPv4512BR
200.130.228.0/22IPv41,024BR
200.130.232.0/21IPv42,048BR
200.130.240.0/20IPv44,096BR
200.131.0.0/19IPv48,192BR
200.131.32.0/20IPv44,096BR
200.131.48.0/20IPv44,096BR
200.131.64.0/18IPv416,384BR
200.131.128.0/18IPv416,384BR
200.131.192.0/19IPv48,192BR
200.131.224.0/22IPv41,024BR
200.131.228.0/24IPv4256BR
200.131.229.0/24IPv4256BR
200.131.230.0/23IPv4512BR
200.131.232.0/21IPv42,048BR
200.131.240.0/20IPv44,096BR
200.133.0.0/20IPv44,096BR
200.133.16.0/25IPv4128BRToo specific
200.133.16.128/27IPv432BRToo specific
200.133.16.160/27IPv432BRToo specific
200.133.16.192/26IPv464BRToo specific
200.133.17.0/24IPv4256BR
200.133.18.0/23IPv4512BR
200.133.20.0/22IPv41,024BR
200.133.24.0/23IPv4512BR
200.133.26.0/26IPv464BRToo specific
200.133.26.64/26IPv464BRToo specific
200.133.26.128/25IPv4128BRToo specific
200.133.27.0/24IPv4256BR
200.133.28.0/22IPv41,024BR
200.133.32.0/23IPv4512BR
200.133.34.0/24IPv4256BR
200.133.35.0/24IPv4256BR
200.133.36.0/22IPv41,024BR
200.133.40.0/23IPv4512BR
200.133.42.0/23IPv4512BR
200.133.44.0/23IPv4512BR
200.133.46.0/24IPv4256BR
200.133.47.0/26IPv464BRToo specific
200.133.47.64/26IPv464BRToo specific
200.133.47.128/25IPv4128BRToo specific
200.133.48.0/26IPv464BRToo specific
200.133.48.64/26IPv464BRToo specific
200.133.48.128/25IPv4128BRToo specific
200.133.49.0/24IPv4256BR
200.133.50.0/26IPv464BRToo specific
200.133.50.64/26IPv464BRToo specific
200.133.50.128/25IPv4128BRToo specific
200.133.51.0/24IPv4256BR
200.133.52.0/22IPv41,024BR
200.133.56.0/21IPv42,048BR
200.133.64.0/24IPv4256BR
200.133.65.0/24IPv4256BR
200.133.66.0/26IPv464BRToo specific
200.133.66.64/26IPv464BRToo specific
200.133.66.128/25IPv4128BRToo specific
200.133.67.0/24IPv4256BR
200.133.68.0/22IPv41,024BR
200.133.72.0/21IPv42,048BR
200.133.80.0/20IPv44,096BR
200.133.96.0/19IPv48,192BR
200.133.128.0/23IPv4512BR
200.133.130.0/23IPv4512BR
200.133.132.0/22IPv41,024BR
200.133.136.0/21IPv42,048BR
200.133.144.0/20IPv44,096BR
200.133.160.0/23IPv4512BR
200.133.162.0/26IPv464BRToo specific
200.133.162.64/26IPv464BRToo specific
200.133.162.128/25IPv4128BRToo specific
200.133.163.0/24IPv4256BR
200.133.164.0/22IPv41,024BR
200.133.168.0/21IPv42,048BR
200.133.176.0/20IPv44,096BR
200.133.192.0/19IPv48,192BR
200.133.240.0/20IPv44,096BR
200.136.177.0/24IPv4256BR
200.136.178.0/23IPv4512BR
200.136.180.0/23IPv4512BR
200.136.188.0/24IPv4256BR
200.137.0.0/23IPv4512BR
200.137.2.0/24IPv4256BR
200.137.3.0/25IPv4128BRToo specific
200.137.3.128/25IPv4128BRToo specific
200.137.4.0/22IPv41,024BR
200.137.8.0/21IPv42,048BR
200.137.16.0/20IPv44,096BR
200.137.32.0/19IPv48,192BR
200.137.64.0/18IPv416,384BR
200.137.128.0/22IPv41,024BR
200.137.132.0/23IPv4512BR
200.137.134.0/25IPv4128BRToo specific
200.137.134.128/25IPv4128BRToo specific
200.137.135.0/24IPv4256BR
200.137.136.0/22IPv41,024BR
200.137.140.0/24IPv4256BR
200.137.141.0/24IPv4256BR
200.137.142.0/23IPv4512BR
200.137.144.0/22IPv41,024BR
200.137.148.0/25IPv4128BRToo specific
200.137.148.128/25IPv4128BRToo specific
200.137.149.0/24IPv4256BR
200.137.150.0/23IPv4512BR
200.137.152.0/21IPv42,048BR
200.137.160.0/22IPv41,024BR
200.137.164.0/26IPv464BRToo specific
200.137.164.64/26IPv464BRToo specific
200.137.164.128/25IPv4128BRToo specific
200.137.165.0/25IPv4128BRToo specific
200.137.165.128/25IPv4128BRToo specific
200.137.166.0/24IPv4256BR
200.137.167.0/24IPv4256BR
200.137.168.0/21IPv42,048BR
200.137.176.0/25IPv4128BRToo specific
200.137.176.128/26IPv464BRToo specific
200.137.176.192/26IPv464BRToo specific
200.137.177.0/24IPv4256BR
200.137.178.0/24IPv4256BR
200.137.179.0/26IPv464BRToo specific
200.137.179.64/26IPv464BRToo specific
200.137.179.128/25IPv4128BRToo specific
200.137.180.0/22IPv41,024BR
200.137.184.0/21IPv42,048BR
200.137.192.0/18IPv416,384BR
200.139.0.0/23IPv4512BR
200.139.2.0/23IPv4512BR
200.139.4.0/22IPv41,024BR
200.139.8.0/21IPv42,048BR
200.139.16.0/20IPv44,096BR
200.139.32.0/19IPv48,192BR
200.143.192.0/23IPv4512BR
200.143.194.0/24IPv4256BR
200.143.195.0/24IPv4256BR
200.143.196.0/22IPv41,024BR
200.143.200.0/22IPv41,024BR
200.143.204.0/24IPv4256BR
200.143.205.0/24IPv4256BR
200.143.206.0/23IPv4512BR
200.143.208.0/20IPv44,096BR
200.143.224.0/20IPv44,096BR
200.143.240.0/21IPv42,048BR
200.143.248.0/22IPv41,024BR
200.143.252.0/22IPv41,024BR
200.144.91.0/24IPv4256BR
200.144.92.0/23IPv4512BR
200.144.94.0/24IPv4256BR
200.144.98.0/24IPv4256BR
200.144.112.0/22IPv41,024BR
200.144.116.0/23IPv4512BR
200.159.240.0/20IPv44,096BR
200.235.0.0/17IPv432,768BR
200.237.0.0/24IPv4256BR
200.237.1.0/25IPv4128BRToo specific
200.237.1.128/26IPv464BRToo specific
200.237.1.192/26IPv464BRToo specific
200.237.2.0/23IPv4512BR
200.237.4.0/22IPv41,024BR
200.237.8.0/22IPv41,024BR
200.237.12.0/24IPv4256BR
200.237.13.0/24IPv4256BR
200.237.14.0/23IPv4512BR
200.237.16.0/20IPv44,096BR
200.239.128.0/18IPv416,384BR
2001:12f0::/39IPv6—BR
2001:12f0:200::/42IPv6—BR
2001:12f0:240::/42IPv6—BR
2001:12f0:280::/41IPv6—BR
2001:12f0:300::/42IPv6—BR
2001:12f0:340::/42IPv6—BR
2001:12f0:380::/41IPv6—BR
2001:12f0:400::/42IPv6—BR
2001:12f0:440::/42IPv6—BR
2001:12f0:480::/41IPv6—BR
2001:12f0:500::/42IPv6—BR
2001:12f0:540::/42IPv6—BR
2001:12f0:580::/41IPv6—BR
2001:12f0:600::/42IPv6—BR
2001:12f0:640::/42IPv6—BR
2001:12f0:680::/41IPv6—BR
2001:12f0:700::/42IPv6—BR
2001:12f0:740::/42IPv6—BR
2001:12f0:780::/41IPv6—BR
2001:12f0:800::/40IPv6—BR
2001:12f0:900::/42IPv6—BR
2001:12f0:940::/42IPv6—BR
2001:12f0:980::/41IPv6—BR
2001:12f0:a00::/42IPv6—BR
2001:12f0:a40::/42IPv6—BR
2001:12f0:a80::/41IPv6—BR
2001:12f0:b00::/42IPv6—BR
2001:12f0:b40::/42IPv6—BR
2001:12f0:b80::/42IPv6—BR
2001:12f0:bc0::/42IPv6—BR
2001:12f0:c00::/40IPv6—BR
2001:12f0:d00::/42IPv6—BR
2001:12f0:d40::/42IPv6—BR
2001:12f0:d80::/42IPv6—BR
2001:12f0:dc0::/42IPv6—BR
2001:12f0:e00::/41IPv6—BR
2001:12f0:e80::/42IPv6—BR
2001:12f0:ec0::/42IPv6—BR
2001:12f0:f00::/42IPv6—BR
2001:12f0:f40::/43IPv6—BR
2001:12f0:f60::/44IPv6—BR
2001:12f0:f70::/45IPv6—BR
2001:12f0:f78::/48IPv6—BR
2001:12f0:f79::/48IPv6—BR
2001:12f0:f7a::/47IPv6—BR
2001:12f0:f7c::/46IPv6—BR
2001:12f0:f80::/41IPv6—BR