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Autonomous system

AS15404

Autonomous System
Autonomous System Number (ASN)
AS15404
Country
United Kingdom of Great Britain and Northern Ireland (GB)
Organization
COLT Technology Services Group Limited
Handle
COLT-TECHNOLOGY-SERVICES
Category
business
Network Role
stub
Number of IPv4
143,104
Number of IPv6
8.4188 x 10^28
IPv4 Prefixes

Showing up to 100 prefixes per page.

Prefix Address Count First Address Last Address
5.11.96.0/20 4,096 5.11.96.0 5.11.111.255
45.129.69.0/24 256 45.129.69.0 45.129.69.255
46.28.212.0/24 256 46.28.212.0 46.28.212.255
51.64.34.0/23 512 51.64.34.0 51.64.35.255
62.85.160.0/19 8,192 62.85.160.0 62.85.191.255
62.182.250.0/24 256 62.182.250.0 62.182.250.255
77.74.158.0/23 512 77.74.158.0 77.74.159.255
85.208.193.0/24 256 85.208.193.0 85.208.193.255
91.209.87.0/24 256 91.209.87.0 91.209.87.255
91.212.245.0/24 256 91.212.245.0 91.212.245.255
91.213.65.0/24 256 91.213.65.0 91.213.65.255
91.213.68.0/24 256 91.213.68.0 91.213.68.255
91.213.91.0/24 256 91.213.91.0 91.213.91.255
91.213.110.0/24 256 91.213.110.0 91.213.110.255
91.238.4.0/24 256 91.238.4.0 91.238.4.255
91.244.125.0/24 256 91.244.125.0 91.244.125.255
109.107.145.0/24 256 109.107.145.0 109.107.145.255
129.35.17.0/24 256 129.35.17.0 129.35.17.255
129.35.20.0/23 512 129.35.20.0 129.35.21.255
129.35.85.0/24 256 129.35.85.0 129.35.85.255
139.138.235.0/24 256 139.138.235.0 139.138.235.255
141.98.45.0/24 256 141.98.45.0 141.98.45.255
148.188.0.0/20 4,096 148.188.0.0 148.188.15.255
148.188.192.0/20 4,096 148.188.192.0 148.188.207.255
148.188.224.0/22 1,024 148.188.224.0 148.188.227.255
148.188.232.0/21 2,048 148.188.232.0 148.188.239.255
155.137.0.0/22 1,024 155.137.0.0 155.137.3.255
155.137.7.0/24 256 155.137.7.0 155.137.7.255
156.118.0.0/24 256 156.118.0.0 156.118.0.255
156.118.6.0/24 256 156.118.6.0 156.118.6.255
156.118.8.0/24 256 156.118.8.0 156.118.8.255
157.239.128.0/23 512 157.239.128.0 157.239.129.255
158.156.155.0/24 256 158.156.155.0 158.156.155.255
158.156.162.0/24 256 158.156.162.0 158.156.162.255
158.156.172.0/24 256 158.156.172.0 158.156.172.255
158.156.182.0/24 256 158.156.182.0 158.156.182.255
158.156.193.0/24 256 158.156.193.0 158.156.193.255
161.17.0.0/16 65,536 161.17.0.0 161.17.255.255
163.199.254.0/24 256 163.199.254.0 163.199.254.255
170.200.251.0/24 256 170.200.251.0 170.200.251.255
170.200.252.0/23 512 170.200.252.0 170.200.253.255
170.248.142.0/24 256 170.248.142.0 170.248.142.255
170.251.108.0/24 256 170.251.108.0 170.251.108.255
170.252.84.0/23 512 170.252.84.0 170.252.85.255
170.252.86.0/24 256 170.252.86.0 170.252.86.255
176.119.201.0/24 256 176.119.201.0 176.119.201.255
178.249.200.0/21 2,048 178.249.200.0 178.249.207.255
185.13.62.0/24 256 185.13.62.0 185.13.62.255
185.60.76.0/23 512 185.60.76.0 185.60.77.255
185.60.79.0/24 256 185.60.79.0 185.60.79.255
185.134.140.0/24 256 185.134.140.0 185.134.140.255
185.140.104.0/24 256 185.140.104.0 185.140.104.255
185.154.148.0/23 512 185.154.148.0 185.154.149.255
185.199.204.0/24 256 185.199.204.0 185.199.204.255
185.203.232.0/24 256 185.203.232.0 185.203.232.255
185.212.156.0/22 1,024 185.212.156.0 185.212.159.255
185.213.216.0/23 512 185.213.216.0 185.213.217.255
185.218.120.0/22 1,024 185.218.120.0 185.218.123.255
185.226.224.0/24 256 185.226.224.0 185.226.224.255
185.234.136.0/24 256 185.234.136.0 185.234.136.255
188.64.17.0/24 256 188.64.17.0 188.64.17.255
188.64.18.0/23 512 188.64.18.0 188.64.19.255
192.31.22.0/24 256 192.31.22.0 192.31.22.255
192.76.161.0/24 256 192.76.161.0 192.76.161.255
192.109.222.0/24 256 192.109.222.0 192.109.222.255
192.166.107.0/24 256 192.166.107.0 192.166.107.255
192.228.1.0/24 256 192.228.1.0 192.228.1.255
192.228.2.0/23 512 192.228.2.0 192.228.3.255
192.232.64.0/24 256 192.232.64.0 192.232.64.255
192.232.66.0/24 256 192.232.66.0 192.232.66.255
193.8.64.0/22 1,024 193.8.64.0 193.8.67.255
193.26.246.0/23 512 193.26.246.0 193.26.247.255
193.26.248.0/21 2,048 193.26.248.0 193.26.255.255
193.28.71.0/24 256 193.28.71.0 193.28.71.255
193.29.144.0/20 4,096 193.29.144.0 193.29.159.255
193.38.200.0/24 256 193.38.200.0 193.38.200.255
193.46.62.0/24 256 193.46.62.0 193.46.62.255
193.47.140.0/24 256 193.47.140.0 193.47.140.255
193.53.174.0/24 256 193.53.174.0 193.53.174.255
193.53.185.0/24 256 193.53.185.0 193.53.185.255
193.53.186.0/24 256 193.53.186.0 193.53.186.255
193.53.188.0/24 256 193.53.188.0 193.53.188.255
193.53.190.0/24 256 193.53.190.0 193.53.190.255
193.56.33.0/24 256 193.56.33.0 193.56.33.255
193.57.56.0/24 256 193.57.56.0 193.57.56.255
193.58.6.0/24 256 193.58.6.0 193.58.6.255
193.73.113.0/24 256 193.73.113.0 193.73.113.255
193.102.79.0/24 256 193.102.79.0 193.102.79.255
193.102.174.0/24 256 193.102.174.0 193.102.174.255
193.103.129.0/24 256 193.103.129.0 193.103.129.255
193.135.254.0/24 256 193.135.254.0 193.135.254.255
193.164.14.0/24 256 193.164.14.0 193.164.14.255
193.176.112.0/22 1,024 193.176.112.0 193.176.115.255
193.177.180.0/23 512 193.177.180.0 193.177.181.255
193.200.191.0/24 256 193.200.191.0 193.200.191.255
194.11.129.0/24 256 194.11.129.0 194.11.129.255
194.15.16.0/24 256 194.15.16.0 194.15.16.255
194.15.18.0/24 256 194.15.18.0 194.15.18.255
194.15.242.0/23 512 194.15.242.0 194.15.243.255
194.15.244.0/22 1,024 194.15.244.0 194.15.247.255