APNIC's IPv4 Address Pool

Last updated: 2020-06-22

3343104 addresses are unallocated. (Legacy addresses are not counted.)

Recent allocated or assigned address list

CountryRangeNumber of addressesDateStatus

Address pool by prefix

PrefixNumber of free block
/111103.160.0.0
/141103.156.0.0
/151103.154.0.0
/16236.50.0.0, 103.153.0.0
/171103.152.128.0
/183113.192.0.0, 210.79.128.0, 210.87.64.0
/194103.67.64.0, 180.94.0.0, 202.47.160.0, 203.145.32.0
/20527.124.64.0, 103.65.128.0, 103.67.48.0, 115.187.16.0, 203.175.96.0
/212459.191.232.0, 103.6.120.0, 103.15.88.0, 103.20.96.0, 103.23.88.0, 103.41.72.0, 103.42.240.0, 103.55.248.0, 103.60.88.0, 103.65.120.0, 103.67.40.0, 103.76.104.0, 103.99.136.0, 103.152.120.0, 103.211.200.0, 103.240.0.0, 103.250.96.0, 103.253.16.0, 103.255.160.0, 103.255.192.0, 115.84.168.0, 116.199.200.0, 180.131.128.0, 203.99.144.0
/22420101.101.96.0, 103.1.156.0, 103.4.80.0, 103.5.216.0, 103.6.232.0, 103.7.120.0, 103.7.192.0, 103.8.64.0, 103.8.184.0, 103.9.140.0, 103.10.68.0, 103.10.192.0, 103.11.196.0, 103.12.180.0, 103.12.204.0, 103.12.224.0, 103.13.4.0, 103.13.136.0, 103.13.164.0, 103.13.192.0, 103.13.204.0, 103.13.232.0, 103.14.56.0, 103.14.168.0, 103.14.224.0, 103.15.12.0, 103.15.160.0, 103.15.212.0, 103.15.220.0, 103.16.116.0, 103.16.212.0, 103.16.248.0, 103.17.4.0, 103.17.32.0, 103.17.148.0, 103.18.44.0, 103.18.112.0, 103.18.184.0, 103.18.204.0, 103.18.232.0, 103.19.28.0, 103.19.48.0, 103.19.120.0, 103.19.156.0, 103.20.108.0, 103.20.228.0, 103.20.240.0, 103.21.4.0, 103.21.68.0, 103.21.96.0, 103.21.188.0, 103.21.220.0, 103.22.96.0, 103.22.216.0, 103.23.196.0, 103.23.252.0, 103.24.68.0, 103.24.88.0, 103.24.196.0, 103.25.184.0, 103.26.28.0, 103.26.116.0, 103.26.176.0, 103.26.188.0, 103.27.192.0, 103.28.16.0, 103.29.0.0, 103.29.8.0, 103.29.60.0, 103.29.80.0, 103.29.180.0, 103.29.236.0, 103.30.8.0, 103.30.60.0, 103.30.72.0, 103.30.104.0, 103.30.192.0, 103.31.8.0, 103.31.40.0, 103.31.116.0, 103.35.152.0, 103.35.176.0, 103.37.4.0, 103.37.88.0, 103.37.184.0, 103.38.52.0, 103.38.108.0, 103.38.180.0, 103.38.208.0, 103.38.220.0, 103.38.236.0, 103.38.244.0, 103.38.248.0, 103.39.32.0, 103.39.68.0, 103.39.72.0, 103.39.124.0, 103.39.144.0, 103.39.196.0, 103.40.156.0, 103.41.92.0, 103.41.112.0, 103.41.248.0, 103.42.4.0, 103.42.12.0, 103.42.52.0, 103.42.60.0, 103.42.128.0, 103.42.164.0, 103.42.200.0, 103.42.220.0, 103.42.228.0, 103.43.24.0, 103.43.60.0, 103.43.164.0, 103.44.8.0, 103.44.152.0, 103.46.4.0, 103.46.8.0, 103.46.184.0, 103.47.8.0, 103.47.128.0, 103.47.180.0, 103.48.40.0, 103.48.160.0, 103.49.100.0, 103.49.112.0, 103.49.164.0, 103.49.236.0, 103.50.20.0, 103.51.84.0, 103.51.96.0, 103.51.104.0, 103.51.120.0, 103.51.204.0, 103.52.112.0, 103.53.28.0, 103.53.156.0, 103.53.160.0, 103.54.76.0, 103.54.80.0, 103.54.168.0, 103.54.176.0, 103.54.228.0, 103.55.4.0, 103.55.20.0, 103.55.224.0, 103.55.240.0, 103.56.0.0, 103.56.80.0, 103.56.92.0, 103.57.64.0, 103.57.96.0, 103.57.128.0, 103.58.196.0, 103.59.160.0, 103.59.216.0, 103.60.4.0, 103.60.188.0, 103.60.204.0, 103.60.240.0, 103.61.4.0, 103.61.16.0, 103.61.120.0, 103.61.232.0, 103.62.148.0, 103.64.128.0, 103.65.116.0, 103.65.204.0, 103.65.220.0, 103.65.224.0, 103.65.240.0, 103.65.248.0, 103.66.228.0, 103.66.236.0, 103.67.96.0, 103.67.160.0, 103.68.84.0, 103.68.212.0, 103.68.232.0, 103.69.60.0, 103.69.160.0, 103.69.200.0, 103.69.236.0, 103.70.12.0, 103.70.176.0, 103.71.220.0, 103.72.136.0, 103.72.196.0, 103.72.212.0, 103.73.184.0, 103.73.216.0, 103.74.8.0, 103.75.84.0, 103.76.116.0, 103.76.120.0, 103.76.192.0, 103.79.48.0, 103.79.128.0, 103.79.236.0, 103.80.8.0, 103.80.212.0, 103.80.228.0, 103.81.28.0, 103.81.108.0, 103.81.252.0, 103.82.92.0, 103.82.200.0, 103.83.28.0, 103.83.132.0, 103.83.236.0, 103.84.56.0, 103.84.100.0, 103.84.168.0, 103.84.196.0, 103.84.204.0, 103.85.52.0, 103.85.56.0, 103.85.184.0, 103.85.244.0, 103.86.116.0, 103.87.148.0, 103.88.88.0, 103.89.44.0, 103.89.240.0, 103.90.60.0, 103.91.224.0, 103.93.20.0, 103.93.32.0, 103.94.140.0, 103.95.20.0, 103.96.52.0, 103.96.224.0, 103.97.196.0, 103.98.0.0, 103.99.132.0, 103.99.144.0, 103.100.176.0, 103.101.96.0, 103.101.216.0, 103.106.104.0, 103.107.136.0, 103.107.240.0, 103.109.204.0, 103.115.88.0, 103.115.108.0, 103.116.80.0, 103.122.0.0, 103.122.144.0, 103.130.236.0, 103.193.72.0, 103.193.176.0, 103.196.0.0, 103.196.144.0, 103.196.152.0, 103.196.164.0, 103.196.176.0, 103.196.184.0, 103.197.76.0, 103.197.156.0, 103.197.252.0, 103.198.152.0, 103.199.140.0, 103.200.204.0, 103.203.204.0, 103.204.44.0, 103.204.92.0, 103.205.60.0, 103.205.220.0, 103.206.16.0, 103.207.60.0, 103.207.88.0, 103.208.64.0, 103.208.88.0, 103.209.32.0, 103.209.60.0, 103.209.72.0, 103.209.132.0, 103.210.52.0, 103.210.68.0, 103.210.128.0, 103.210.224.0, 103.211.104.0, 103.211.160.0, 103.211.168.0, 103.212.152.0, 103.212.160.0, 103.212.172.0, 103.212.184.0, 103.213.196.0, 103.213.232.0, 103.213.252.0, 103.214.160.0, 103.214.224.0, 103.215.60.0, 103.215.112.0, 103.215.180.0, 103.218.104.0, 103.218.180.0, 103.219.224.0, 103.221.64.0, 103.221.236.0, 103.222.252.0, 103.224.16.0, 103.224.76.0, 103.224.92.0, 103.224.172.0, 103.225.116.0, 103.225.216.0, 103.225.252.0, 103.226.24.0, 103.226.116.0, 103.227.4.0, 103.227.92.0, 103.227.184.0, 103.227.248.0, 103.228.8.0, 103.228.72.0, 103.229.52.0, 103.229.88.0, 103.229.188.0, 103.229.232.0, 103.230.40.0, 103.230.92.0, 103.230.128.0, 103.230.176.0, 103.230.244.0, 103.232.20.0, 103.232.164.0, 103.233.176.0, 103.234.28.0, 103.234.32.0, 103.234.124.0, 103.234.188.0, 103.235.160.0, 103.236.104.0, 103.236.128.0, 103.236.140.0, 103.236.172.0, 103.236.212.0, 103.237.48.0, 103.237.84.0, 103.238.64.0, 103.238.112.0, 103.238.152.0, 103.238.216.0, 103.239.12.0, 103.239.20.0, 103.239.40.0, 103.239.64.0, 103.239.88.0, 103.239.148.0, 103.239.172.0, 103.240.24.0, 103.240.56.0, 103.240.68.0, 103.241.40.0, 103.241.172.0, 103.241.192.0, 103.242.8.0, 103.242.76.0, 103.242.80.0, 103.243.8.0, 103.243.168.0, 103.243.228.0, 103.243.232.0, 103.244.20.0, 103.244.24.0, 103.244.224.0, 103.245.36.0, 103.245.56.0, 103.245.156.0, 103.245.168.0, 103.245.236.0, 103.246.60.0, 103.246.64.0, 103.246.72.0, 103.247.28.0, 103.247.240.0, 103.248.8.0, 103.248.48.0, 103.248.140.0, 103.248.228.0, 103.248.240.0, 103.249.116.0, 103.249.200.0, 103.250.76.0, 103.250.108.0, 103.250.120.0, 103.250.208.0, 103.251.8.0, 103.251.252.0, 103.252.72.0, 103.252.92.0, 103.252.120.0, 103.252.136.0, 103.252.180.0, 103.252.192.0, 103.253.100.0, 103.253.176.0, 103.253.228.0, 103.253.244.0, 103.254.212.0, 103.255.40.0, 103.255.64.0, 103.255.96.0, 103.255.108.0, 103.255.132.0, 103.255.204.0, 103.255.208.0, 103.255.220.0, 175.111.96.0, 202.61.80.0, 202.137.252.0, 202.158.248.0, 203.3.88.0, 203.111.252.0, 203.169.52.0, 203.175.124.0, 223.130.8.0
/23114103.6.160.0, 103.13.72.0, 103.14.22.0, 103.14.150.0, 103.14.154.0, 103.15.156.0, 103.16.208.0, 103.20.198.0, 103.21.100.0, 103.23.68.0, 103.23.148.0, 103.23.172.0, 103.24.78.0, 103.24.192.0, 103.26.26.0, 103.35.114.0, 103.37.22.0, 103.37.96.0, 103.37.202.0, 103.38.216.0, 103.39.120.0, 103.40.52.0, 103.40.166.0, 103.42.50.0, 103.43.94.0, 103.49.70.0, 103.49.124.0, 103.51.62.0, 103.52.4.0, 103.54.108.0, 103.57.224.0, 103.58.180.0, 103.66.168.0, 103.67.24.0, 103.67.186.0, 103.68.56.0, 103.68.126.0, 103.69.2.0, 103.70.36.0, 103.71.96.0, 103.73.86.0, 103.73.158.0, 103.73.192.0, 103.76.0.0, 103.78.186.0, 103.80.78.0, 103.83.162.0, 103.86.128.0, 103.88.152.0, 103.91.60.0, 103.91.138.0, 103.94.100.0, 103.94.250.0, 103.99.66.0, 103.101.40.0, 103.101.164.0, 103.102.48.0, 103.102.54.0, 103.103.4.0, 103.103.216.0, 103.108.174.0, 103.112.194.0, 103.113.166.0, 103.136.244.0, 103.194.46.0, 103.196.26.0, 103.197.90.0, 103.197.184.0, 103.198.26.0, 103.198.94.0, 103.203.88.0, 103.204.216.0, 103.205.36.0, 103.206.72.0, 103.206.154.0, 103.209.92.0, 103.209.108.0, 103.209.128.0, 103.209.154.0, 103.210.114.0, 103.210.126.0, 103.211.4.0, 103.212.178.0, 103.213.230.0, 103.214.96.0, 103.214.178.0, 103.215.232.0, 103.217.98.0, 103.220.22.0, 103.224.124.0, 103.225.44.0, 103.229.14.0, 103.231.24.0, 103.231.238.0, 103.233.162.0, 103.234.150.0, 103.234.160.0, 103.236.194.0, 103.239.214.0, 103.242.150.0, 103.243.244.0, 103.244.188.0, 103.245.178.0, 103.249.18.0, 103.250.28.0, 103.250.196.0, 103.250.220.0, 103.252.86.0, 103.254.124.0, 202.77.138.0, 202.134.56.0, 202.146.184.0, 203.160.130.0, 203.191.134.0
/24191103.4.135.0, 103.6.119.0, 103.6.166.0, 103.10.108.0, 103.10.111.0, 103.12.0.0, 103.12.85.0, 103.12.244.0, 103.14.0.0, 103.14.148.0, 103.15.38.0, 103.15.227.0, 103.18.188.0, 103.20.16.0, 103.20.50.0, 103.20.219.0, 103.21.102.0, 103.21.195.0, 103.23.28.0, 103.25.164.0, 103.25.220.0, 103.29.29.0, 103.30.212.0, 103.35.216.0, 103.35.219.0, 103.36.70.0, 103.37.98.0, 103.38.8.0, 103.41.168.0, 103.42.18.0, 103.42.204.0, 103.44.19.0, 103.46.199.0, 103.48.117.0, 103.48.200.0, 103.49.146.0, 103.49.150.0, 103.50.149.0, 103.51.129.0, 103.52.6.0, 103.52.63.0, 103.52.133.0, 103.55.178.0, 103.58.119.0, 103.60.97.0, 103.61.40.0, 103.63.191.0, 103.63.232.0, 103.66.38.0, 103.68.24.0, 103.68.26.0, 103.68.95.0, 103.68.139.0, 103.69.129.0, 103.69.255.0, 103.71.25.0, 103.71.188.0, 103.72.89.0, 103.72.200.0, 103.74.65.0, 103.74.225.0, 103.76.91.0, 103.76.178.0, 103.77.14.0, 103.77.81.0, 103.78.51.0, 103.78.240.0, 103.79.229.0, 103.80.131.0, 103.81.55.0, 103.81.103.0, 103.81.245.0, 103.82.246.0, 103.83.151.0, 103.88.52.0, 103.88.79.0, 103.88.139.0, 103.89.36.0, 103.91.137.0, 103.91.195.0, 103.92.16.0, 103.93.93.0, 103.96.88.0, 103.97.87.0, 103.97.153.0, 103.97.231.0, 103.98.122.0, 103.99.27.0, 103.99.187.0, 103.100.245.0, 103.102.26.0, 103.103.173.0, 103.104.86.0, 103.104.176.0, 103.105.22.0, 103.106.73.0, 103.107.148.0, 103.108.172.0, 103.109.105.0, 103.109.149.0, 103.110.41.0, 103.110.220.0, 103.111.216.0, 103.114.63.0, 103.131.182.0, 103.137.151.0, 103.151.129.0, 103.192.81.0, 103.192.174.0, 103.193.164.0, 103.194.228.0, 103.195.17.0, 103.195.28.0, 103.196.15.0, 103.196.85.0, 103.197.50.0, 103.198.129.0, 103.198.211.0, 103.199.117.0, 103.202.226.0, 103.203.90.0, 103.204.71.0, 103.204.116.0, 103.205.185.0, 103.206.29.0, 103.206.98.0, 103.206.158.0, 103.207.17.0, 103.207.103.0, 103.209.94.0, 103.210.209.0, 103.210.210.0, 103.211.27.0, 103.211.196.0, 103.212.177.0, 103.212.210.0, 103.214.40.0, 103.215.73.0, 103.216.99.0, 103.216.134.0, 103.217.76.0, 103.220.44.0, 103.224.55.0, 103.224.126.0, 103.225.97.0, 103.225.243.0, 103.228.18.0, 103.228.48.0, 103.228.103.0, 103.229.0.0, 103.229.97.0, 103.229.131.0, 103.230.81.0, 103.230.82.0, 103.231.26.0, 103.231.236.0, 103.234.95.0, 103.241.149.0, 103.242.86.0, 103.242.234.0, 103.243.19.0, 103.243.176.0, 103.243.238.0, 103.244.49.0, 103.244.163.0, 103.246.168.0, 103.247.67.0, 103.247.188.0, 103.248.250.0, 103.250.40.0, 103.250.187.0, 103.251.68.0, 103.251.71.0, 103.251.170.0, 103.252.47.0, 103.252.48.0, 103.252.160.0, 103.253.127.0, 103.254.91.0, 103.254.197.0, 103.255.28.0, 202.3.136.0, 202.20.67.0, 202.47.89.0, 202.56.56.0, 202.61.108.0, 203.14.18.0, 203.18.39.0, 203.19.5.0, 203.31.169.0, 203.100.57.0

Address pool by range