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IP ranges

Contabo IP ranges

Every IPv4 and IPv6 range that Contabo (AS51167) currently announces on the internet, with CIDR and start/end IP, free to download as TXT or CSV. Data snapshot: 2026-11-02.

Contabo announces 568 IPv4 prefixes covering 542,720 addresses, and 5 IPv6 prefixes, through AS51167. The lists below are a snapshot of 2026-11-02 taken from the public BGP routing table, sorted by address and kept as announced.

ASNAS51167
IPv4 prefixes568
IPv4 addresses542,720Overlaps are counted once
IPv6 prefixes5
Data snapshot

Download the complete list

The complete list has 573 ranges (IPv4 and IPv6). TXT has one CIDR per line; CSV has the columns cidr, version, start_ip, end_ip and addresses.

Download TXTDownload CSVIPv4 only (TXT)IPv6 only (TXT)

Contabo IPv4 ranges

IPv4 ranges announced by Contabo: CIDR, start and end IP, address count
CIDRStart IP – end IPAddresses
2.58.80.0/232.58.80.0–2.58.81.255512
2.58.82.0/242.58.82.0–2.58.82.255256
2.58.83.0/242.58.83.0–2.58.83.255256
2.59.156.0/242.59.156.0–2.59.156.255256
5.180.148.0/235.180.148.0–5.180.149.255512
5.180.150.0/245.180.150.0–5.180.150.255256
5.182.17.0/245.182.17.0–5.182.17.255256
5.182.33.0/245.182.33.0–5.182.33.255256
5.189.128.0/205.189.128.0–5.189.143.2554,096
5.189.144.0/205.189.144.0–5.189.159.2554,096
5.189.160.0/205.189.160.0–5.189.175.2554,096
5.189.176.0/205.189.176.0–5.189.191.2554,096
13.140.128.0/1813.140.128.0–13.140.191.25516,384
31.187.74.0/2431.187.74.0–31.187.74.255256
31.220.72.0/2131.220.72.0–31.220.79.2552,048
31.220.80.0/2131.220.80.0–31.220.87.2552,048
31.220.88.0/2131.220.88.0–31.220.95.2552,048
37.60.224.0/2037.60.224.0–37.60.239.2554,096
37.60.240.0/2037.60.240.0–37.60.255.2554,096
37.139.52.0/2437.139.52.0–37.139.52.255256
38.242.128.0/2138.242.128.0–38.242.135.2552,048
38.242.136.0/2138.242.136.0–38.242.143.2552,048
38.242.144.0/2138.242.144.0–38.242.151.2552,048
38.242.152.0/2138.242.152.0–38.242.159.2552,048
38.242.192.0/1938.242.192.0–38.242.223.2558,192
38.242.224.0/1938.242.224.0–38.242.255.2558,192
45.8.132.0/2345.8.132.0–45.8.133.255512
45.8.148.0/2345.8.148.0–45.8.149.255512
45.8.150.0/2345.8.150.0–45.8.151.255512
45.10.154.0/2445.10.154.0–45.10.154.255256
45.10.160.0/2345.10.160.0–45.10.161.255512
45.10.162.0/2345.10.162.0–45.10.163.255512
45.13.59.0/2445.13.59.0–45.13.59.255256
45.13.192.0/2245.13.192.0–45.13.195.2551,024
45.14.194.0/2445.14.194.0–45.14.194.255256
45.67.216.0/2345.67.216.0–45.67.217.255512
45.67.221.0/2445.67.221.0–45.67.221.255256
45.80.30.0/2445.80.30.0–45.80.30.255256
45.84.138.0/2445.84.138.0–45.84.138.255256
45.85.146.0/2345.85.146.0–45.85.147.255512
45.85.249.0/2445.85.249.0–45.85.249.255256
45.85.250.0/2445.85.250.0–45.85.250.255256
45.88.188.0/2445.88.188.0–45.88.188.255256
45.88.189.0/2445.88.189.0–45.88.189.255256
45.88.191.0/2445.88.191.0–45.88.191.255256
45.88.223.0/2445.88.223.0–45.88.223.255256
45.90.120.0/2345.90.120.0–45.90.121.255512
45.90.122.0/2345.90.122.0–45.90.123.255512
45.92.8.0/2345.92.8.0–45.92.9.255512
45.92.10.0/2345.92.10.0–45.92.11.255512
45.92.30.0/2345.92.30.0–45.92.31.255512
45.94.58.0/2445.94.58.0–45.94.58.255256
45.94.209.0/2445.94.209.0–45.94.209.255256
45.130.104.0/2445.130.104.0–45.130.104.255256
45.132.158.0/2445.132.158.0–45.132.158.255256
45.134.226.0/2445.134.226.0–45.134.226.255256
45.136.16.0/2345.136.16.0–45.136.17.255512
45.136.18.0/2345.136.18.0–45.136.19.255512
45.140.185.0/2445.140.185.0–45.140.185.255256
45.141.22.0/2445.141.22.0–45.141.22.255256
45.141.122.0/2445.141.122.0–45.141.122.255256
45.149.204.0/2345.149.204.0–45.149.205.255512
45.149.206.0/2345.149.206.0–45.149.207.255512
45.151.122.0/2445.151.122.0–45.151.122.255256
45.151.123.0/2445.151.123.0–45.151.123.255256
45.159.220.0/2345.159.220.0–45.159.221.255512
45.159.222.0/2345.159.222.0–45.159.223.255512
45.159.228.0/2345.159.228.0–45.159.229.255512
45.159.230.0/2345.159.230.0–45.159.231.255512
62.84.176.0/2062.84.176.0–62.84.191.2554,096
62.164.208.0/2162.164.208.0–62.164.215.2552,048
62.164.216.0/2162.164.216.0–62.164.223.2552,048
62.169.16.0/2162.169.16.0–62.169.23.2552,048
62.169.24.0/2162.169.24.0–62.169.31.2552,048
62.171.128.0/2362.171.128.0–62.171.129.255512
62.171.130.0/2362.171.130.0–62.171.131.255512
62.171.132.0/2362.171.132.0–62.171.133.255512
62.171.134.0/2362.171.134.0–62.171.135.255512
62.171.136.0/2362.171.136.0–62.171.137.255512
62.171.138.0/2362.171.138.0–62.171.139.255512
62.171.140.0/2362.171.140.0–62.171.141.255512
62.171.142.0/2362.171.142.0–62.171.143.255512
62.171.144.0/2362.171.144.0–62.171.145.255512
62.171.146.0/2362.171.146.0–62.171.147.255512
62.171.148.0/2362.171.148.0–62.171.149.255512
62.171.150.0/2362.171.150.0–62.171.151.255512
62.171.152.0/2362.171.152.0–62.171.153.255512
62.171.154.0/2362.171.154.0–62.171.155.255512
62.171.156.0/2362.171.156.0–62.171.157.255512
62.171.158.0/2362.171.158.0–62.171.159.255512
62.171.160.0/2362.171.160.0–62.171.161.255512
62.171.162.0/2362.171.162.0–62.171.163.255512
62.171.164.0/2362.171.164.0–62.171.165.255512
62.171.166.0/2362.171.166.0–62.171.167.255512
62.171.168.0/2362.171.168.0–62.171.169.255512
62.171.170.0/2362.171.170.0–62.171.171.255512
62.171.172.0/2362.171.172.0–62.171.173.255512
62.171.174.0/2362.171.174.0–62.171.175.255512
62.171.176.0/2362.171.176.0–62.171.177.255512
62.171.178.0/2362.171.178.0–62.171.179.255512
62.171.180.0/2362.171.180.0–62.171.181.255512
62.171.182.0/2362.171.182.0–62.171.183.255512
62.171.184.0/2362.171.184.0–62.171.185.255512
62.171.186.0/2362.171.186.0–62.171.187.255512
62.171.188.0/2362.171.188.0–62.171.189.255512
62.171.190.0/2362.171.190.0–62.171.191.255512
75.119.128.0/1975.119.128.0–75.119.159.2558,192
77.237.232.0/2177.237.232.0–77.237.239.2552,048
77.237.240.0/2177.237.240.0–77.237.247.2552,048
79.143.176.0/2379.143.176.0–79.143.177.255512
79.143.178.0/2379.143.178.0–79.143.179.255512
79.143.180.0/2379.143.180.0–79.143.181.255512
79.143.182.0/2379.143.182.0–79.143.183.255512
79.143.184.0/2379.143.184.0–79.143.185.255512
79.143.186.0/2379.143.186.0–79.143.187.255512
79.143.188.0/2379.143.188.0–79.143.189.255512
79.143.190.0/2379.143.190.0–79.143.191.255512
79.143.190.0/2479.143.190.0–79.143.190.255256
79.143.191.0/2479.143.191.0–79.143.191.255256
80.65.211.0/2480.65.211.0–80.65.211.255256
80.190.80.0/2180.190.80.0–80.190.87.2552,048
80.241.208.0/2380.241.208.0–80.241.209.255512
80.241.210.0/2380.241.210.0–80.241.211.255512
80.241.212.0/2380.241.212.0–80.241.213.255512
80.241.214.0/2480.241.214.0–80.241.214.255256
80.241.215.0/2480.241.215.0–80.241.215.255256
80.241.216.0/2380.241.216.0–80.241.217.255512
80.241.218.0/2380.241.218.0–80.241.219.255512
80.241.220.0/2380.241.220.0–80.241.221.255512
80.241.222.0/2380.241.222.0–80.241.223.255512
81.0.218.0/2381.0.218.0–81.0.219.255512
81.0.220.0/2381.0.220.0–81.0.221.255512
81.0.246.0/2381.0.246.0–81.0.247.255512
81.0.248.0/2381.0.248.0–81.0.249.255512
81.17.96.0/2281.17.96.0–81.17.99.2551,024
81.17.100.0/2281.17.100.0–81.17.103.2551,024
82.208.20.0/2282.208.20.0–82.208.23.2551,024
83.171.248.0/2383.171.248.0–83.171.249.255512
84.21.171.0/2484.21.171.0–84.21.171.255256
84.39.150.0/2484.39.150.0–84.39.150.255256
84.46.240.0/2084.46.240.0–84.46.255.2554,096
84.54.23.0/2484.54.23.0–84.54.23.255256
84.247.128.0/2084.247.128.0–84.247.143.2554,096
84.247.160.0/1984.247.160.0–84.247.191.2558,192
85.190.240.0/2285.190.240.0–85.190.243.2551,024
85.190.246.0/2485.190.246.0–85.190.246.255256
85.190.254.0/2485.190.254.0–85.190.254.255256
85.208.48.0/2485.208.48.0–85.208.48.255256
85.208.51.0/2485.208.51.0–85.208.51.255256
86.48.0.0/2286.48.0.0–86.48.3.2551,024
86.48.5.0/2486.48.5.0–86.48.5.255256
86.48.6.0/2386.48.6.0–86.48.7.255512
89.116.24.0/2189.116.24.0–89.116.31.2552,048
89.117.48.0/2089.117.48.0–89.117.63.2554,096
89.147.100.0/2489.147.100.0–89.147.100.255256
89.147.102.0/2389.147.102.0–89.147.103.255512
89.250.64.0/2189.250.64.0–89.250.71.2552,048
89.250.72.0/2189.250.72.0–89.250.79.2552,048
91.194.90.0/2391.194.90.0–91.194.91.255512
91.198.138.0/2491.198.138.0–91.198.138.255256
91.205.104.0/2391.205.104.0–91.205.105.255512
91.205.172.0/2291.205.172.0–91.205.175.2551,024
91.229.245.0/2491.229.245.0–91.229.245.255256
91.230.110.0/2491.230.110.0–91.230.110.255256
91.230.111.0/2491.230.111.0–91.230.111.255256
91.239.43.0/2491.239.43.0–91.239.43.255256
94.72.96.0/2094.72.96.0–94.72.111.2554,096
94.250.201.0/2494.250.201.0–94.250.201.255256
94.250.202.0/2494.250.202.0–94.250.202.255256
94.250.203.0/2494.250.203.0–94.250.203.255256
95.111.224.0/2395.111.224.0–95.111.225.255512
95.111.226.0/2395.111.226.0–95.111.227.255512
95.111.228.0/2395.111.228.0–95.111.229.255512
95.111.230.0/2395.111.230.0–95.111.231.255512
95.111.232.0/2395.111.232.0–95.111.233.255512
95.111.234.0/2395.111.234.0–95.111.235.255512
95.111.236.0/2395.111.236.0–95.111.237.255512
95.111.238.0/2395.111.238.0–95.111.239.255512
95.111.240.0/2395.111.240.0–95.111.241.255512
95.111.242.0/2395.111.242.0–95.111.243.255512
95.111.244.0/2395.111.244.0–95.111.245.255512
95.111.246.0/2395.111.246.0–95.111.247.255512
95.111.248.0/2395.111.248.0–95.111.249.255512
95.111.250.0/2395.111.250.0–95.111.251.255512
95.111.252.0/2395.111.252.0–95.111.253.255512
95.111.254.0/2395.111.254.0–95.111.255.255512
100.42.176.0/21100.42.176.0–100.42.183.2552,048
100.42.184.0/21100.42.184.0–100.42.191.2552,048
109.123.240.0/20109.123.240.0–109.123.255.2554,096
109.199.96.0/20109.199.96.0–109.199.111.2554,096
109.199.112.0/20109.199.112.0–109.199.127.2554,096
109.205.176.0/22109.205.176.0–109.205.179.2551,024
109.205.180.0/22109.205.180.0–109.205.183.2551,024
130.185.118.0/24130.185.118.0–130.185.118.255256
130.185.119.0/24130.185.119.0–130.185.119.255256
134.255.176.0/22134.255.176.0–134.255.179.2551,024
134.255.180.0/22134.255.180.0–134.255.183.2551,024
141.98.152.0/23141.98.152.0–141.98.153.255512
141.98.154.0/23141.98.154.0–141.98.155.255512
144.91.64.0/23144.91.64.0–144.91.65.255512
144.91.66.0/23144.91.66.0–144.91.67.255512
144.91.68.0/23144.91.68.0–144.91.69.255512
144.91.70.0/23144.91.70.0–144.91.71.255512
144.91.72.0/23144.91.72.0–144.91.73.255512
144.91.74.0/23144.91.74.0–144.91.75.255512
144.91.76.0/23144.91.76.0–144.91.77.255512
144.91.78.0/23144.91.78.0–144.91.79.255512
144.91.80.0/23144.91.80.0–144.91.81.255512
144.91.82.0/23144.91.82.0–144.91.83.255512
144.91.84.0/23144.91.84.0–144.91.85.255512
144.91.86.0/23144.91.86.0–144.91.87.255512
144.91.88.0/23144.91.88.0–144.91.89.255512
144.91.90.0/23144.91.90.0–144.91.91.255512
144.91.92.0/23144.91.92.0–144.91.93.255512
144.91.94.0/23144.91.94.0–144.91.95.255512
144.91.96.0/23144.91.96.0–144.91.97.255512
144.91.98.0/23144.91.98.0–144.91.99.255512
144.91.100.0/23144.91.100.0–144.91.101.255512
144.91.102.0/23144.91.102.0–144.91.103.255512
144.91.104.0/23144.91.104.0–144.91.105.255512
144.91.106.0/23144.91.106.0–144.91.107.255512
144.91.108.0/23144.91.108.0–144.91.109.255512
144.91.110.0/23144.91.110.0–144.91.111.255512
144.91.112.0/23144.91.112.0–144.91.113.255512
144.91.114.0/23144.91.114.0–144.91.115.255512
144.91.116.0/23144.91.116.0–144.91.117.255512
144.91.118.0/23144.91.118.0–144.91.119.255512
144.91.120.0/23144.91.120.0–144.91.121.255512
144.91.122.0/23144.91.122.0–144.91.123.255512
144.91.124.0/23144.91.124.0–144.91.125.255512
144.91.126.0/23144.91.126.0–144.91.127.255512
147.78.130.0/23147.78.130.0–147.78.131.255512
147.93.151.0/24147.93.151.0–147.93.151.255256
147.93.160.0/22147.93.160.0–147.93.163.2551,024
149.102.128.0/21149.102.128.0–149.102.135.2552,048
149.102.136.0/21149.102.136.0–149.102.143.2552,048
149.102.144.0/21149.102.144.0–149.102.151.2552,048
149.102.152.0/21149.102.152.0–149.102.159.2552,048
155.133.22.0/23155.133.22.0–155.133.23.255512
155.133.26.0/23155.133.26.0–155.133.27.255512
156.67.24.0/22156.67.24.0–156.67.27.2551,024
156.67.28.0/22156.67.28.0–156.67.31.2551,024
156.67.80.0/22156.67.80.0–156.67.83.2551,024
157.173.96.0/20157.173.96.0–157.173.111.2554,096
157.173.112.0/20157.173.112.0–157.173.127.2554,096
158.220.80.0/20158.220.80.0–158.220.95.2554,096
158.220.96.0/20158.220.96.0–158.220.111.2554,096
158.220.112.0/20158.220.112.0–158.220.127.2554,096
159.48.53.0/24159.48.53.0–159.48.53.255256
159.48.55.0/24159.48.55.0–159.48.55.255256
161.97.64.0/23161.97.64.0–161.97.65.255512
161.97.66.0/23161.97.66.0–161.97.67.255512
161.97.68.0/23161.97.68.0–161.97.69.255512
161.97.70.0/23161.97.70.0–161.97.71.255512
161.97.72.0/23161.97.72.0–161.97.73.255512
161.97.74.0/23161.97.74.0–161.97.75.255512
161.97.76.0/23161.97.76.0–161.97.77.255512
161.97.78.0/23161.97.78.0–161.97.79.255512
161.97.80.0/23161.97.80.0–161.97.81.255512
161.97.82.0/23161.97.82.0–161.97.83.255512
161.97.84.0/23161.97.84.0–161.97.85.255512
161.97.86.0/23161.97.86.0–161.97.87.255512
161.97.88.0/23161.97.88.0–161.97.89.255512
161.97.90.0/23161.97.90.0–161.97.91.255512
161.97.92.0/23161.97.92.0–161.97.93.255512
161.97.94.0/23161.97.94.0–161.97.95.255512
161.97.96.0/23161.97.96.0–161.97.97.255512
161.97.98.0/23161.97.98.0–161.97.99.255512
161.97.100.0/23161.97.100.0–161.97.101.255512
161.97.102.0/23161.97.102.0–161.97.103.255512
161.97.104.0/23161.97.104.0–161.97.105.255512
161.97.106.0/23161.97.106.0–161.97.107.255512
161.97.108.0/23161.97.108.0–161.97.109.255512
161.97.110.0/23161.97.110.0–161.97.111.255512
161.97.112.0/23161.97.112.0–161.97.113.255512
161.97.114.0/23161.97.114.0–161.97.115.255512
161.97.116.0/23161.97.116.0–161.97.117.255512
161.97.118.0/23161.97.118.0–161.97.119.255512
161.97.120.0/23161.97.120.0–161.97.121.255512
161.97.122.0/23161.97.122.0–161.97.123.255512
161.97.124.0/23161.97.124.0–161.97.125.255512
161.97.126.0/23161.97.126.0–161.97.127.255512
161.97.128.0/19161.97.128.0–161.97.159.2558,192
161.97.160.0/20161.97.160.0–161.97.175.2554,096
161.97.176.0/21161.97.176.0–161.97.183.2552,048
161.97.184.0/22161.97.184.0–161.97.187.2551,024
161.97.188.0/23161.97.188.0–161.97.189.255512
162.244.24.0/22162.244.24.0–162.244.27.2551,024
162.244.28.0/22162.244.28.0–162.244.31.2551,024
164.68.96.0/23164.68.96.0–164.68.97.255512
164.68.98.0/23164.68.98.0–164.68.99.255512
164.68.100.0/23164.68.100.0–164.68.101.255512
164.68.102.0/23164.68.102.0–164.68.103.255512
164.68.104.0/23164.68.104.0–164.68.105.255512
164.68.106.0/23164.68.106.0–164.68.107.255512
164.68.108.0/23164.68.108.0–164.68.109.255512
164.68.110.0/23164.68.110.0–164.68.111.255512
164.68.112.0/23164.68.112.0–164.68.113.255512
164.68.114.0/23164.68.114.0–164.68.115.255512
164.68.116.0/23164.68.116.0–164.68.117.255512
164.68.118.0/23164.68.118.0–164.68.119.255512
164.68.120.0/23164.68.120.0–164.68.121.255512
164.68.122.0/23164.68.122.0–164.68.123.255512
164.68.124.0/23164.68.124.0–164.68.125.255512
164.68.126.0/23164.68.126.0–164.68.127.255512
167.86.66.0/23167.86.66.0–167.86.67.255512
167.86.68.0/23167.86.68.0–167.86.69.255512
167.86.70.0/23167.86.70.0–167.86.71.255512
167.86.72.0/23167.86.72.0–167.86.73.255512
167.86.74.0/23167.86.74.0–167.86.75.255512
167.86.76.0/23167.86.76.0–167.86.77.255512
167.86.78.0/23167.86.78.0–167.86.79.255512
167.86.80.0/23167.86.80.0–167.86.81.255512
167.86.82.0/23167.86.82.0–167.86.83.255512
167.86.84.0/23167.86.84.0–167.86.85.255512
167.86.86.0/23167.86.86.0–167.86.87.255512
167.86.88.0/23167.86.88.0–167.86.89.255512
167.86.90.0/23167.86.90.0–167.86.91.255512
167.86.92.0/23167.86.92.0–167.86.93.255512
167.86.94.0/23167.86.94.0–167.86.95.255512
167.86.96.0/23167.86.96.0–167.86.97.255512
167.86.98.0/23167.86.98.0–167.86.99.255512
167.86.100.0/23167.86.100.0–167.86.101.255512
167.86.102.0/23167.86.102.0–167.86.103.255512
167.86.104.0/23167.86.104.0–167.86.105.255512
167.86.106.0/23167.86.106.0–167.86.107.255512
167.86.108.0/23167.86.108.0–167.86.109.255512
167.86.110.0/23167.86.110.0–167.86.111.255512
167.86.112.0/23167.86.112.0–167.86.113.255512
167.86.114.0/23167.86.114.0–167.86.115.255512
167.86.116.0/23167.86.116.0–167.86.117.255512
167.86.118.0/23167.86.118.0–167.86.119.255512
167.86.120.0/23167.86.120.0–167.86.121.255512
167.86.122.0/23167.86.122.0–167.86.123.255512
167.86.124.0/23167.86.124.0–167.86.125.255512
167.86.126.0/23167.86.126.0–167.86.127.255512
169.58.0.0/17169.58.0.0–169.58.127.25532,768
169.58.128.0/17169.58.128.0–169.58.255.25532,768
173.212.192.0/19173.212.192.0–173.212.223.2558,192
173.212.224.0/20173.212.224.0–173.212.239.2554,096
173.212.240.0/21173.212.240.0–173.212.247.2552,048
173.212.248.0/22173.212.248.0–173.212.251.2551,024
173.212.252.0/23173.212.252.0–173.212.253.255512
173.212.254.0/24173.212.254.0–173.212.254.255256
173.212.255.0/24173.212.255.0–173.212.255.255256
173.249.0.0/23173.249.0.0–173.249.1.255512
173.249.2.0/23173.249.2.0–173.249.3.255512
173.249.4.0/23173.249.4.0–173.249.5.255512
173.249.6.0/23173.249.6.0–173.249.7.255512
173.249.8.0/23173.249.8.0–173.249.9.255512
173.249.10.0/23173.249.10.0–173.249.11.255512
173.249.12.0/23173.249.12.0–173.249.13.255512
173.249.14.0/23173.249.14.0–173.249.15.255512
173.249.16.0/23173.249.16.0–173.249.17.255512
173.249.18.0/23173.249.18.0–173.249.19.255512
173.249.20.0/23173.249.20.0–173.249.21.255512
173.249.22.0/23173.249.22.0–173.249.23.255512
173.249.24.0/23173.249.24.0–173.249.25.255512
173.249.26.0/23173.249.26.0–173.249.27.255512
173.249.28.0/23173.249.28.0–173.249.29.255512
173.249.30.0/23173.249.30.0–173.249.31.255512
173.249.32.0/23173.249.32.0–173.249.33.255512
173.249.34.0/23173.249.34.0–173.249.35.255512
173.249.36.0/23173.249.36.0–173.249.37.255512
173.249.38.0/23173.249.38.0–173.249.39.255512
173.249.40.0/23173.249.40.0–173.249.41.255512
173.249.42.0/23173.249.42.0–173.249.43.255512
173.249.44.0/23173.249.44.0–173.249.45.255512
173.249.46.0/23173.249.46.0–173.249.47.255512
173.249.48.0/23173.249.48.0–173.249.49.255512
173.249.50.0/23173.249.50.0–173.249.51.255512
173.249.52.0/23173.249.52.0–173.249.53.255512
173.249.54.0/23173.249.54.0–173.249.55.255512
173.249.56.0/23173.249.56.0–173.249.57.255512
173.249.58.0/23173.249.58.0–173.249.59.255512
173.249.60.0/23173.249.60.0–173.249.61.255512
173.249.62.0/23173.249.62.0–173.249.63.255512
176.57.150.0/24176.57.150.0–176.57.150.255256
176.57.184.0/24176.57.184.0–176.57.184.255256
176.57.188.0/24176.57.188.0–176.57.188.255256
176.57.189.0/24176.57.189.0–176.57.189.255256
176.126.87.0/24176.126.87.0–176.126.87.255256
178.18.240.0/20178.18.240.0–178.18.255.2554,096
178.212.34.0/24178.212.34.0–178.212.34.255256
178.238.224.0/23178.238.224.0–178.238.225.255512
178.238.226.0/23178.238.226.0–178.238.227.255512
178.238.228.0/23178.238.228.0–178.238.229.255512
178.238.230.0/23178.238.230.0–178.238.231.255512
178.238.232.0/23178.238.232.0–178.238.233.255512
178.238.234.0/23178.238.234.0–178.238.235.255512
178.238.236.0/23178.238.236.0–178.238.237.255512
178.238.238.0/24178.238.238.0–178.238.238.255256
178.238.239.0/24178.238.239.0–178.238.239.255256
184.174.32.0/21184.174.32.0–184.174.39.2552,048
185.2.100.0/22185.2.100.0–185.2.103.2551,024
185.133.248.0/23185.133.248.0–185.133.249.255512
185.133.250.0/23185.133.250.0–185.133.251.255512
185.135.137.0/24185.135.137.0–185.135.137.255256
185.137.122.0/24185.137.122.0–185.137.122.255256
185.169.252.0/24185.169.252.0–185.169.252.255256
185.177.116.0/24185.177.116.0–185.177.116.255256
185.182.8.0/23185.182.8.0–185.182.9.255512
185.182.184.0/23185.182.184.0–185.182.185.255512
185.182.186.0/23185.182.186.0–185.182.187.255512
185.185.80.0/24185.185.80.0–185.185.80.255256
185.185.82.0/24185.185.82.0–185.185.82.255256
185.185.83.0/24185.185.83.0–185.185.83.255256
185.187.169.0/24185.187.169.0–185.187.169.255256
185.187.170.0/24185.187.170.0–185.187.170.255256
185.187.242.0/24185.187.242.0–185.187.242.255256
185.188.72.0/23185.188.72.0–185.188.73.255512
185.188.74.0/24185.188.74.0–185.188.74.255256
185.188.249.0/24185.188.249.0–185.188.249.255256
185.188.250.0/24185.188.250.0–185.188.250.255256
185.190.140.0/24185.190.140.0–185.190.140.255256
185.190.142.0/23185.190.142.0–185.190.143.255512
185.192.96.0/23185.192.96.0–185.192.97.255512
185.193.17.0/24185.193.17.0–185.193.17.255256
185.193.66.0/23185.193.66.0–185.193.67.255512
185.194.216.0/23185.194.216.0–185.194.217.255512
185.194.218.0/23185.194.218.0–185.194.219.255512
185.196.20.0/24185.196.20.0–185.196.20.255256
185.196.21.0/24185.196.21.0–185.196.21.255256
185.197.194.0/23185.197.194.0–185.197.195.255512
185.197.249.0/24185.197.249.0–185.197.249.255256
185.197.250.0/23185.197.250.0–185.197.251.255512
185.198.27.0/24185.198.27.0–185.198.27.255256
185.202.223.0/24185.202.223.0–185.202.223.255256
185.202.236.0/24185.202.236.0–185.202.236.255256
185.202.238.0/23185.202.238.0–185.202.239.255512
185.203.216.0/23185.203.216.0–185.203.217.255512
185.205.244.0/24185.205.244.0–185.205.244.255256
185.205.246.0/24185.205.246.0–185.205.246.255256
185.207.250.0/24185.207.250.0–185.207.250.255256
185.207.251.0/24185.207.251.0–185.207.251.255256
185.208.206.0/24185.208.206.0–185.208.206.255256
185.208.207.0/24185.208.207.0–185.208.207.255256
185.209.223.0/24185.209.223.0–185.209.223.255256
185.209.228.0/23185.209.228.0–185.209.229.255512
185.209.230.0/24185.209.230.0–185.209.230.255256
185.211.5.0/24185.211.5.0–185.211.5.255256
185.211.6.0/24185.211.6.0–185.211.6.255256
185.213.25.0/24185.213.25.0–185.213.25.255256
185.213.27.0/24185.213.27.0–185.213.27.255256
185.214.134.0/23185.214.134.0–185.214.135.255512
185.215.164.0/23185.215.164.0–185.215.165.255512
185.215.166.0/24185.215.166.0–185.215.166.255256
185.215.167.0/24185.215.167.0–185.215.167.255256
185.215.180.0/24185.215.180.0–185.215.180.255256
185.216.75.0/24185.216.75.0–185.216.75.255256
185.216.203.0/24185.216.203.0–185.216.203.255256
185.217.125.0/24185.217.125.0–185.217.125.255256
185.217.126.0/23185.217.126.0–185.217.127.255512
185.218.124.0/23185.218.124.0–185.218.125.255512
185.218.126.0/24185.218.126.0–185.218.126.255256
185.219.142.0/24185.219.142.0–185.219.142.255256
185.219.143.0/24185.219.143.0–185.219.143.255256
185.222.240.0/23185.222.240.0–185.222.241.255512
185.222.242.0/24185.222.242.0–185.222.242.255256
185.225.232.0/23185.225.232.0–185.225.233.255512
185.229.119.0/24185.229.119.0–185.229.119.255256
185.230.138.0/24185.230.138.0–185.230.138.255256
185.234.69.0/24185.234.69.0–185.234.69.255256
185.234.70.0/23185.234.70.0–185.234.71.255512
185.237.252.0/23185.237.252.0–185.237.253.255512
185.239.208.0/23185.239.208.0–185.239.209.255512
185.239.211.0/24185.239.211.0–185.239.211.255256
185.241.151.0/24185.241.151.0–185.241.151.255256
185.245.182.0/24185.245.182.0–185.245.182.255256
185.245.183.0/24185.245.183.0–185.245.183.255256
185.249.225.0/24185.249.225.0–185.249.225.255256
185.249.227.0/24185.249.227.0–185.249.227.255256
185.250.36.0/23185.250.36.0–185.250.37.255512
185.251.27.0/24185.251.27.0–185.251.27.255256
185.252.232.0/24185.252.232.0–185.252.232.255256
185.252.233.0/24185.252.233.0–185.252.233.255256
185.252.234.0/23185.252.234.0–185.252.235.255512
185.255.131.0/24185.255.131.0–185.255.131.255256
192.144.8.0/22192.144.8.0–192.144.11.2551,024
192.145.37.0/24192.145.37.0–192.145.37.255256
193.22.146.0/23193.22.146.0–193.22.147.255512
193.34.144.0/23193.34.144.0–193.34.145.255512
193.37.152.0/24193.37.152.0–193.37.152.255256
193.46.243.0/24193.46.243.0–193.46.243.255256
193.164.131.0/24193.164.131.0–193.164.131.255256
193.164.132.0/23193.164.132.0–193.164.133.255512
193.176.124.0/24193.176.124.0–193.176.124.255256
193.187.129.0/24193.187.129.0–193.187.129.255256
193.200.241.0/24193.200.241.0–193.200.241.255256
193.203.15.0/24193.203.15.0–193.203.15.255256
194.5.152.0/24194.5.152.0–194.5.152.255256
194.15.110.0/24194.15.110.0–194.15.110.255256
194.34.232.0/24194.34.232.0–194.34.232.255256
194.35.120.0/24194.35.120.0–194.35.120.255256
194.60.87.0/24194.60.87.0–194.60.87.255256
194.60.201.0/24194.60.201.0–194.60.201.255256
194.61.28.0/24194.61.28.0–194.61.28.255256
194.146.12.0/24194.146.12.0–194.146.12.255256
194.146.13.0/24194.146.13.0–194.146.13.255256
194.147.58.0/24194.147.58.0–194.147.58.255256

Showing the first 500 of 568 ranges. Download the TXT or CSV file for the complete list.

Contabo IPv6 ranges

IPv6 ranges announced by Contabo: CIDR, start and end IP, address count
CIDRStart IP – end IPAddresses
2a02:c202::/322a02:c202::–2a02:c202:ffff:ffff:ffff:ffff:ffff:ffff296
2a02:c204::/322a02:c204::–2a02:c204:ffff:ffff:ffff:ffff:ffff:ffff296
2a02:c205::/322a02:c205::–2a02:c205:ffff:ffff:ffff:ffff:ffff:ffff296
2a02:c206::/322a02:c206::–2a02:c206:ffff:ffff:ffff:ffff:ffff:ffff296
2a02:c207::/322a02:c207::–2a02:c207:ffff:ffff:ffff:ffff:ffff:ffff296

All 5 ranges are listed.

About the Contabo IP range data

  • ASNs and holders

    Contabo announces its prefixes from AS51167. Holders in the registry: AS51167 (CONTABO Contabo GmbH).

  • What the list contains

    The ranges are the prefixes these ASNs announce in the public BGP routing table (obtained through RIPEstat), with adjacent blocks left unmerged. This is not an ownership record: it can include prefixes of customers and leased address space, and it can miss routes that very few peers see. Snapshot of 2026-11-02.

  • Typical uses

    Allow or block traffic from Contabo in a firewall, WAF or nginx, label source IPs in your logs by network, or test with a CIDR match whether an IP belongs to Contabo. Remember that cloud and carrier address space also runs the services of customers, so blocking a whole network can hit unrelated sites.

How to use the Contabo IP list

  1. Start with the tables above: one for IPv4 and one for IPv6, each row with CIDR, start IP – end IP and address count.
  2. Choose Download TXT or Download CSV for the complete list. The file has all 573 ranges, not only the first rows shown on the page.
  3. Import the TXT as one address set into your firewall, router or ipset, or paste the CIDRs into a cloud security group rule.
  4. Check the snapshot date (2026-11-02) before using it in production. Cloud ranges change often, so compare with the official range file published by the provider.

Contabo IP ranges: frequently asked questions

How many IP ranges does Contabo have?

As of 2026-11-02, Contabo announces 568 IPv4 prefixes covering 542,720 addresses and 5 IPv6 prefixes in the public BGP routing table, through AS51167.

What is the ASN of Contabo?

Contabo uses AS51167. Holders in the registry: AS51167 (CONTABO Contabo GmbH). Large organisations often run several ASNs, and this page merges the ones listed here.

How do I use the Contabo IP list for a firewall allowlist or blocklist?

Download the TXT file (one CIDR per line) and import it into ipset, nftables, an nginx allow or deny include, a router address list or a cloud security group. Import the 573 ranges as one address set rather than as separate rules. The address space of Contabo also hosts the services of its customers, so blocking all of it can cut off unrelated sites.

How often is the Contabo IP list updated?

The list is a snapshot of 2026-11-02, regenerated about once a week from public BGP data (RIPEstat). Announcements change every day, so download it again before using it in production, and for cloud providers also compare it with the official range file they publish.

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