AS15404 Colt Technology Services Group Limited
General Info - AS15404
Colt Technology Services Group Limited
United Kingdom of Great Britain and Northern Ireland
141,312
84.19 Octillion
IP Address Ranges
| Netblock | From IP | To IP | Number of IPs | |
|---|---|---|---|---|
| 5.11.96.0/20 | 5.11.96.0 | 5.11.111.255 | 4,096 | |
| 45.129.69.0/24 | 45.129.69.0 | 45.129.69.255 | 256 | |
| 46.28.212.0/24 | 46.28.212.0 | 46.28.212.255 | 256 | |
| 62.85.160.0/19 | 62.85.160.0 | 62.85.191.255 | 8,192 | |
| 62.182.250.0/24 | 62.182.250.0 | 62.182.250.255 | 256 | |
| 77.74.158.0/23 | 77.74.158.0 | 77.74.159.255 | 512 | |
| 85.208.193.0/24 | 85.208.193.0 | 85.208.193.255 | 256 | |
| 91.209.87.0/24 | 91.209.87.0 | 91.209.87.255 | 256 | |
| 91.212.245.0/24 | 91.212.245.0 | 91.212.245.255 | 256 | |
| 91.213.65.0/24 | 91.213.65.0 | 91.213.65.255 | 256 | |
| 91.213.68.0/24 | 91.213.68.0 | 91.213.68.255 | 256 | |
| 91.213.91.0/24 | 91.213.91.0 | 91.213.91.255 | 256 | |
| 91.213.110.0/24 | 91.213.110.0 | 91.213.110.255 | 256 | |
| 91.238.4.0/24 | 91.238.4.0 | 91.238.4.255 | 256 | |
| 91.244.125.0/24 | 91.244.125.0 | 91.244.125.255 | 256 | |
| 109.107.145.0/24 | 109.107.145.0 | 109.107.145.255 | 256 | |
| 129.35.17.0/24 | 129.35.17.0 | 129.35.17.255 | 256 | |
| 129.35.20.0/23 | 129.35.20.0 | 129.35.21.255 | 512 | |
| 129.35.85.0/24 | 129.35.85.0 | 129.35.85.255 | 256 | |
| 139.138.235.0/24 | 139.138.235.0 | 139.138.235.255 | 256 | |
| 141.98.45.0/24 | 141.98.45.0 | 141.98.45.255 | 256 | |
| 148.188.0.0/20 | 148.188.0.0 | 148.188.15.255 | 4,096 | |
| 148.188.192.0/20 | 148.188.192.0 | 148.188.207.255 | 4,096 | |
| 148.188.224.0/22 | 148.188.224.0 | 148.188.227.255 | 1,024 | |
| 148.188.232.0/21 | 148.188.232.0 | 148.188.239.255 | 2,048 | |
| 155.137.0.0/24 | 155.137.0.0 | 155.137.0.255 | 256 | |
| 155.137.1.0/24 | 155.137.1.0 | 155.137.1.255 | 256 | |
| 155.137.2.0/24 | 155.137.2.0 | 155.137.2.255 | 256 | |
| 155.137.3.0/24 | 155.137.3.0 | 155.137.3.255 | 256 | |
| 155.137.7.0/24 | 155.137.7.0 | 155.137.7.255 | 256 | |
| 156.118.0.0/24 | 156.118.0.0 | 156.118.0.255 | 256 | |
| 156.118.6.0/24 | 156.118.6.0 | 156.118.6.255 | 256 | |
| 156.118.8.0/24 | 156.118.8.0 | 156.118.8.255 | 256 | |
| 157.239.128.0/24 | 157.239.128.0 | 157.239.128.255 | 256 | |
| 157.239.129.0/24 | 157.239.129.0 | 157.239.129.255 | 256 | |
| 158.156.155.0/24 | 158.156.155.0 | 158.156.155.255 | 256 | |
| 158.156.162.0/24 | 158.156.162.0 | 158.156.162.255 | 256 | |
| 158.156.172.0/24 | 158.156.172.0 | 158.156.172.255 | 256 | |
| 158.156.182.0/24 | 158.156.182.0 | 158.156.182.255 | 256 | |
| 158.156.193.0/24 | 158.156.193.0 | 158.156.193.255 | 256 | |
| 161.17.0.0/24 | 161.17.0.0 | 161.17.0.255 | 256 | |
| 161.17.1.0/24 | 161.17.1.0 | 161.17.1.255 | 256 | |
| 161.17.2.0/23 | 161.17.2.0 | 161.17.3.255 | 512 | |
| 161.17.4.0/22 | 161.17.4.0 | 161.17.7.255 | 1,024 | |
| 161.17.8.0/21 | 161.17.8.0 | 161.17.15.255 | 2,048 | |
| 161.17.16.0/20 | 161.17.16.0 | 161.17.31.255 | 4,096 | |
| 161.17.32.0/19 | 161.17.32.0 | 161.17.63.255 | 8,192 | |
| 161.17.64.0/18 | 161.17.64.0 | 161.17.127.255 | 16,384 | |
| 161.17.128.0/17 | 161.17.128.0 | 161.17.255.255 | 32,768 | |
| 163.199.254.0/24 | 163.199.254.0 | 163.199.254.255 | 256 | |
| 170.200.251.0/24 | 170.200.251.0 | 170.200.251.255 | 256 | |
| 170.200.252.0/24 | 170.200.252.0 | 170.200.252.255 | 256 | |
| 170.200.253.0/24 | 170.200.253.0 | 170.200.253.255 | 256 | |
| 170.248.142.0/24 | 170.248.142.0 | 170.248.142.255 | 256 | |
| 170.251.108.0/24 | 170.251.108.0 | 170.251.108.255 | 256 | |
| 170.252.84.0/24 | 170.252.84.0 | 170.252.84.255 | 256 | |
| 170.252.85.0/24 | 170.252.85.0 | 170.252.85.255 | 256 | |
| 170.252.86.0/24 | 170.252.86.0 | 170.252.86.255 | 256 | |
| 176.119.201.0/24 | 176.119.201.0 | 176.119.201.255 | 256 | |
| 178.249.200.0/21 | 178.249.200.0 | 178.249.207.255 | 2,048 | |
| 185.13.62.0/24 | 185.13.62.0 | 185.13.62.255 | 256 | |
| 185.60.76.0/23 | 185.60.76.0 | 185.60.77.255 | 512 | |
| 185.60.79.0/24 | 185.60.79.0 | 185.60.79.255 | 256 | |
| 185.134.140.0/24 | 185.134.140.0 | 185.134.140.255 | 256 | |
| 185.140.104.0/24 | 185.140.104.0 | 185.140.104.255 | 256 | |
| 185.154.148.0/23 | 185.154.148.0 | 185.154.149.255 | 512 | |
| 185.199.204.0/24 | 185.199.204.0 | 185.199.204.255 | 256 | |
| 185.203.232.0/24 | 185.203.232.0 | 185.203.232.255 | 256 | |
| 185.212.156.0/22 | 185.212.156.0 | 185.212.159.255 | 1,024 | |
| 185.213.216.0/24 | 185.213.216.0 | 185.213.216.255 | 256 | |
| 185.213.217.0/24 | 185.213.217.0 | 185.213.217.255 | 256 | |
| 185.218.120.0/24 | 185.218.120.0 | 185.218.120.255 | 256 | |
| 185.218.121.0/24 | 185.218.121.0 | 185.218.121.255 | 256 | |
| 185.218.122.0/24 | 185.218.122.0 | 185.218.122.255 | 256 | |
| 185.218.123.0/24 | 185.218.123.0 | 185.218.123.255 | 256 | |
| 185.226.224.0/24 | 185.226.224.0 | 185.226.224.255 | 256 | |
| 185.234.136.0/24 | 185.234.136.0 | 185.234.136.255 | 256 | |
| 188.64.17.0/24 | 188.64.17.0 | 188.64.17.255 | 256 | |
| 188.64.18.0/24 | 188.64.18.0 | 188.64.18.255 | 256 | |
| 188.64.19.0/24 | 188.64.19.0 | 188.64.19.255 | 256 | |
| 192.31.22.0/24 | 192.31.22.0 | 192.31.22.255 | 256 | |
| 192.76.161.0/24 | 192.76.161.0 | 192.76.161.255 | 256 | |
| 192.109.222.0/24 | 192.109.222.0 | 192.109.222.255 | 256 | |
| 192.166.107.0/24 | 192.166.107.0 | 192.166.107.255 | 256 | |
| 192.228.1.0/24 | 192.228.1.0 | 192.228.1.255 | 256 | |
| 192.228.2.0/24 | 192.228.2.0 | 192.228.2.255 | 256 | |
| 192.228.3.0/24 | 192.228.3.0 | 192.228.3.255 | 256 | |
| 192.232.64.0/24 | 192.232.64.0 | 192.232.64.255 | 256 | |
| 192.232.66.0/24 | 192.232.66.0 | 192.232.66.255 | 256 | |
| 193.8.64.0/22 | 193.8.64.0 | 193.8.67.255 | 1,024 | |
| 193.26.246.0/24 | 193.26.246.0 | 193.26.246.255 | 256 | |
| 193.26.247.0/24 | 193.26.247.0 | 193.26.247.255 | 256 | |
| 193.26.248.0/24 | 193.26.248.0 | 193.26.248.255 | 256 | |
| 193.26.249.0/24 | 193.26.249.0 | 193.26.249.255 | 256 | |
| 193.26.250.0/24 | 193.26.250.0 | 193.26.250.255 | 256 | |
| 193.26.251.0/24 | 193.26.251.0 | 193.26.251.255 | 256 | |
| 193.26.252.0/24 | 193.26.252.0 | 193.26.252.255 | 256 | |
| 193.26.253.0/24 | 193.26.253.0 | 193.26.253.255 | 256 | |
| 193.26.254.0/24 | 193.26.254.0 | 193.26.254.255 | 256 | |
| 193.26.255.0/24 | 193.26.255.0 | 193.26.255.255 | 256 | |
| 193.28.71.0/24 | 193.28.71.0 | 193.28.71.255 | 256 | |
| 193.29.146.0/23 | 193.29.146.0 | 193.29.147.255 | 512 | |
| 193.29.150.0/23 | 193.29.150.0 | 193.29.151.255 | 512 | |
| 193.29.152.0/22 | 193.29.152.0 | 193.29.155.255 | 1,024 | |
| 193.29.156.0/23 | 193.29.156.0 | 193.29.157.255 | 512 | |
| 193.29.159.0/24 | 193.29.159.0 | 193.29.159.255 | 256 | |
| 193.38.200.0/24 | 193.38.200.0 | 193.38.200.255 | 256 | |
| 193.46.62.0/24 | 193.46.62.0 | 193.46.62.255 | 256 | |
| 193.47.140.0/24 | 193.47.140.0 | 193.47.140.255 | 256 | |
| 193.53.174.0/24 | 193.53.174.0 | 193.53.174.255 | 256 | |
| 193.53.185.0/24 | 193.53.185.0 | 193.53.185.255 | 256 | |
| 193.53.186.0/24 | 193.53.186.0 | 193.53.186.255 | 256 | |
| 193.53.188.0/24 | 193.53.188.0 | 193.53.188.255 | 256 | |
| 193.53.190.0/24 | 193.53.190.0 | 193.53.190.255 | 256 | |
| 193.56.33.0/24 | 193.56.33.0 | 193.56.33.255 | 256 | |
| 193.57.56.0/24 | 193.57.56.0 | 193.57.56.255 | 256 | |
| 193.58.6.0/24 | 193.58.6.0 | 193.58.6.255 | 256 | |
| 193.73.113.0/24 | 193.73.113.0 | 193.73.113.255 | 256 | |
| 193.102.79.0/24 | 193.102.79.0 | 193.102.79.255 | 256 | |
| 193.102.174.0/24 | 193.102.174.0 | 193.102.174.255 | 256 | |
| 193.103.129.0/24 | 193.103.129.0 | 193.103.129.255 | 256 | |
| 193.135.254.0/24 | 193.135.254.0 | 193.135.254.255 | 256 | |
| 193.164.14.0/24 | 193.164.14.0 | 193.164.14.255 | 256 | |
| 193.176.112.0/23 | 193.176.112.0 | 193.176.113.255 | 512 | |
| 193.176.114.0/23 | 193.176.114.0 | 193.176.115.255 | 512 | |
| 193.177.180.0/23 | 193.177.180.0 | 193.177.181.255 | 512 | |
| 193.200.191.0/24 | 193.200.191.0 | 193.200.191.255 | 256 | |
| 194.11.129.0/24 | 194.11.129.0 | 194.11.129.255 | 256 | |
| 194.15.16.0/24 | 194.15.16.0 | 194.15.16.255 | 256 | |
| 194.15.18.0/24 | 194.15.18.0 | 194.15.18.255 | 256 | |
| 194.15.242.0/23 | 194.15.242.0 | 194.15.243.255 | 512 | |
| 194.15.244.0/22 | 194.15.244.0 | 194.15.247.255 | 1,024 | |
| 194.33.183.0/24 | 194.33.183.0 | 194.33.183.255 | 256 | |
| 194.39.220.0/24 | 194.39.220.0 | 194.39.220.255 | 256 | |
| 194.59.96.0/20 | 194.59.96.0 | 194.59.111.255 | 4,096 | |
| 194.59.112.0/21 | 194.59.112.0 | 194.59.119.255 | 2,048 | |
| 194.59.120.0/24 | 194.59.120.0 | 194.59.120.255 | 256 | |
| 194.59.121.0/24 | 194.59.121.0 | 194.59.121.255 | 256 | |
| 194.59.122.0/23 | 194.59.122.0 | 194.59.123.255 | 512 | |
| 194.59.124.0/22 | 194.59.124.0 | 194.59.127.255 | 1,024 | |
| 194.59.137.0/24 | 194.59.137.0 | 194.59.137.255 | 256 | |
| 194.59.139.0/24 | 194.59.139.0 | 194.59.139.255 | 256 | |
| 194.76.8.0/24 | 194.76.8.0 | 194.76.8.255 | 256 | |
| 194.76.9.0/24 | 194.76.9.0 | 194.76.9.255 | 256 | |
| 194.99.12.0/24 | 194.99.12.0 | 194.99.12.255 | 256 | |
| 194.99.120.0/21 | 194.99.120.0 | 194.99.127.255 | 2,048 | |
| 194.117.239.0/24 | 194.117.239.0 | 194.117.239.255 | 256 | |
| 194.126.242.0/24 | 194.126.242.0 | 194.126.242.255 | 256 | |
| 194.173.47.0/24 | 194.173.47.0 | 194.173.47.255 | 256 | |
| 195.47.207.0/24 | 195.47.207.0 | 195.47.207.255 | 256 | |
| 195.182.60.0/24 | 195.182.60.0 | 195.182.60.255 | 256 | |
| 195.234.175.0/24 | 195.234.175.0 | 195.234.175.255 | 256 | |
| 202.246.252.0/24 | 202.246.252.0 | 202.246.252.255 | 256 | |
| 202.252.108.0/23 | 202.252.108.0 | 202.252.109.255 | 512 | |
| 213.163.237.0/24 | 213.163.237.0 | 213.163.237.255 | 256 |
| Netblock | From IP | To IP | Number of IPs | |
|---|---|---|---|---|
| 2001:678:274::/48 | 2001:678:274:: | 2001:678:274:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:67c:67c::/48 | 2001:67c:67c:: | 2001:67c:67c:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:67c:2b20::/48 | 2001:67c:2b20:: | 2001:67c:2b20:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2001:67c:2ea0::/48 | 2001:67c:2ea0:: | 2001:67c:2ea0:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2a02:11f8:70::/48 | 2a02:11f8:70:: | 2a02:11f8:70:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2a07:cb81::/32 | 2a07:cb81:: | 2a07:cb81:ffff:ffff:ffff:ffff:ffff:ffff | 79.23 Octillion | |
| 2a0a:d6c0:145::/48 | 2a0a:d6c0:145:: | 2a0a:d6c0:145:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2a10:4780:8261::/48 | 2a10:4780:8261:: | 2a10:4780:8261:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2a10:8802::/36 | 2a10:8802:: | 2a10:8802:fff:ffff:ffff:ffff:ffff:ffff | 4.95 Octillion | |
| 2a11:4d40::/48 | 2a11:4d40:: | 2a11:4d40:0:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion |
Downstreams
There are no downstreams for this ASN.
What is an Autonomous System (AS)?
An Autonomous System (AS) is a collection of connected networks that operate under a common administrative domain and share routing policies. Each AS is identified by a unique Autonomous System Number (ASN), which is used to exchange routing information with other ASs. AS can control how traffic flows through networks and then filter out unwanted traffic.
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