Prefix browse directory
IP Prefixes: 51.0.0.0/8
Whisper Internet Directory lists every BGP-announced IP prefix whose first octet is 51, covering the 51.0.0.0/8 address space. Prefixes are ordered lexically by their CIDR string; each one links to its canonical page at /prefix/<cidr> showing the announcing ASN, sample IPs, and any active MOAS conflicts. Browse an adjacent octet below to keep exploring.
Prefixes in 51.0.0.0/8
- 51.0.0.0/20
- 51.0.128.0/21
- 51.0.136.0/23
- 51.0.138.0/23
- 51.0.140.0/23
- 51.0.142.0/23
- 51.0.16.0/21
- 51.0.24.0/22
- 51.0.251.0/24
- 51.0.252.0/24
- 51.0.28.0/24
- 51.0.31.0/24
- 51.0.32.0/19
- 51.0.64.0/18
- 51.1.0.0/16
- 51.10.0.0/15
- 51.102.0.0/16
- 51.102.0.0/17
- 51.102.128.0/17
- 51.103.0.0/16
- 51.104.0.0/15
- 51.106.0.0/16
- 51.107.0.0/16
- 51.108.0.0/16
- 51.109.0.0/16
- 51.110.0.0/16
- 51.111.0.0/16
- 51.112.0.0/15
- 51.112.0.0/16
- 51.114.0.0/16
- 51.115.0.0/16
- 51.116.0.0/16
- 51.117.0.0/16
- 51.118.0.0/15
- 51.118.0.0/16
- 51.12.0.0/15
- 51.120.0.0/16
- 51.121.0.0/16
- 51.122.0.0/15
- 51.124.0.0/16
- 51.125.0.0/16
- 51.126.0.0/16
- 51.127.0.0/16
- 51.128.0.0/16
- 51.129.0.0/16
- 51.131.0.0/16
- 51.132.0.0/16
- 51.133.16.0/24
- 51.133.32.0/24
- 51.133.48.0/24
- 51.134.0.0/16
- 51.135.0.0/16
- 51.136.0.0/15
- 51.138.0.0/16
- 51.139.0.0/16
- 51.14.0.0/16
- 51.140.0.0/14
- 51.144.0.0/15
- 51.146.0.0/22
- 51.146.10.0/23
- 51.146.100.0/24
- 51.146.101.0/24
- 51.146.104.0/24
- 51.146.105.0/24
- 51.146.108.0/24
- 51.146.109.0/24
- 51.146.110.0/24
- 51.146.111.0/24
- 51.146.112.0/24
- 51.146.113.0/24
- 51.146.114.0/24
- 51.146.115.0/24
- 51.146.116.0/24
- 51.146.117.0/24
- 51.146.118.0/24
- 51.146.119.0/24
- 51.146.12.0/24
- 51.146.120.0/24
- 51.146.121.0/24
- 51.146.122.0/24
- 51.146.123.0/24
- 51.146.124.0/24
- 51.146.125.0/24
- 51.146.126.0/23
- 51.146.128.0/22
- 51.146.13.0/24
- 51.146.132.0/24
- 51.146.133.0/24
- 51.146.134.0/24
- 51.146.135.0/24
- 51.146.136.0/22
- 51.146.14.0/24
- 51.146.141.0/24
- 51.146.142.0/24
- 51.146.143.0/24
- 51.146.144.0/22
- 51.146.148.0/23
- 51.146.15.0/24
- 51.146.150.0/24
- 51.146.151.0/24
- 51.146.152.0/24
- 51.146.153.0/24
- 51.146.154.0/24
- 51.146.155.0/24
- 51.146.156.0/24
- 51.146.157.0/24
- 51.146.158.0/24
- 51.146.159.0/24
- 51.146.16.0/24
- 51.146.160.0/20
- 51.146.17.0/24
- 51.146.176.0/22
- 51.146.18.0/24
- 51.146.180.0/22
- 51.146.184.0/24
- 51.146.185.0/24
- 51.146.186.0/24
- 51.146.187.0/24
- 51.146.188.0/23
- 51.146.19.0/24
- 51.146.190.0/24
- 51.146.191.0/24
- 51.146.192.0/22
- 51.146.196.0/22
- 51.146.20.0/24
- 51.146.200.0/21
- 51.146.208.0/23
- 51.146.21.0/24
- 51.146.210.0/24
- 51.146.211.0/24
- 51.146.212.0/22
- 51.146.216.0/23
- 51.146.218.0/24
- 51.146.22.0/24
- 51.146.220.0/22
- 51.146.224.0/22
- 51.146.228.0/22
- 51.146.23.0/24
- 51.146.232.0/24
- 51.146.233.0/24
- 51.146.234.0/24
- 51.146.235.0/24
- 51.146.236.0/24
- 51.146.237.0/24
- 51.146.238.0/24
- 51.146.239.0/24
- 51.146.24.0/22
- 51.146.240.0/24
- 51.146.241.0/24
- 51.146.242.0/24
- 51.146.243.0/24
- 51.146.246.0/24
- 51.146.247.0/24
- 51.146.248.0/24
- 51.146.250.0/23
- 51.146.252.0/22
- 51.146.28.0/22
- 51.146.34.0/24
- 51.146.35.0/24
- 51.146.36.0/24
- 51.146.37.0/24
- 51.146.38.0/24
- 51.146.39.0/24
- 51.146.4.0/24
- 51.146.40.0/22
- 51.146.44.0/22
- 51.146.48.0/24
- 51.146.49.0/24
- 51.146.5.0/24
- 51.146.50.0/24
- 51.146.51.0/24
- 51.146.52.0/22
- 51.146.56.0/24
- 51.146.57.0/24
- 51.146.58.0/24
- 51.146.59.0/24
- 51.146.6.0/24
- 51.146.60.0/22
- 51.146.64.0/24
- 51.146.65.0/24
- 51.146.66.0/24
- 51.146.67.0/24
- 51.146.68.0/24
- 51.146.69.0/24
- 51.146.7.0/24
- 51.146.70.0/24
- 51.146.71.0/24
- 51.146.72.0/24
- 51.146.73.0/24
- 51.146.74.0/24
- 51.146.75.0/24
- 51.146.76.0/23
- 51.146.78.0/24
- 51.146.79.0/24
- 51.146.8.0/24
- 51.146.80.0/24
- 51.146.81.0/24
- 51.146.82.0/24
- 51.146.83.0/24
- 51.146.84.0/24
Adjacent octets
Discover routed prefixes
A rotating sample of routed prefixes from the Whisper Internet Directory — fresh picks to explore beyond the page you arrived on.
- 192.30.252.0/22Announcing ASN, routing status, and threat-feed overlap.
- 108.162.192.0/18Announcing ASN, routing status, and threat-feed overlap.
- 191.232.0.0/13Announcing ASN, routing status, and threat-feed overlap.
- 63.32.0.0/14Announcing ASN, routing status, and threat-feed overlap.
- 172.65.0.0/16Announcing ASN, routing status, and threat-feed overlap.
- 84.200.69.0/24Announcing ASN, routing status, and threat-feed overlap.
- 199.232.0.0/16Announcing ASN, routing status, and threat-feed overlap.
- 142.250.0.0/15Announcing ASN, routing status, and threat-feed overlap.
- 13.32.0.0/15Announcing ASN, routing status, and threat-feed overlap.
- 31.13.64.0/18Announcing ASN, routing status, and threat-feed overlap.
- 210.81.32.0/19Announcing ASN, routing status, and threat-feed overlap.
- 203.208.40.0/22Announcing ASN, routing status, and threat-feed overlap.
- 54.144.0.0/12Announcing ASN, routing status, and threat-feed overlap.
- 151.101.0.0/16Announcing ASN, routing status, and threat-feed overlap.
- 20.0.0.0/11Announcing ASN, routing status, and threat-feed overlap.
- 199.201.64.0/22Announcing ASN, routing status, and threat-feed overlap.
- 199.85.126.0/23Announcing ASN, routing status, and threat-feed overlap.
- 34.96.0.0/20Announcing ASN, routing status, and threat-feed overlap.
- 216.58.192.0/19Announcing ASN, routing status, and threat-feed overlap.
- 151.101.128.0/22Announcing ASN, routing status, and threat-feed overlap.
- 157.240.0.0/17Announcing ASN, routing status, and threat-feed overlap.
- 47.74.0.0/16Announcing ASN, routing status, and threat-feed overlap.
- 54.64.0.0/11Announcing ASN, routing status, and threat-feed overlap.
- 190.93.240.0/20Announcing ASN, routing status, and threat-feed overlap.