ARIN's IPv4 Address Pool

Last updated: 2025-06-18

2560 addresses are unallocated. (Legacy addresses are not counted.)

Recent allocated or assigned address list

CountryRangeNumber of addressesDateStatus
United States23.140.84.0 - 23.140.84.255
256
2025-06-18allocated
Canada206.209.211.0 - 206.209.211.255
256
2025-06-18allocated
Canada206.209.217.0 - 206.209.217.255
256
2025-06-18allocated
United States69.9.24.0 - 69.9.31.255
2048
2025-06-17allocated
United States69.94.0.0 - 69.94.1.255
512
2025-06-17allocated
United States104.204.224.0 - 104.204.231.255
2048
2025-06-17allocated
Virgin Islands, British23.140.68.0 - 23.140.68.255
256
2025-06-16allocated
Canada23.140.76.0 - 23.140.76.255
256
2025-06-16allocated
United States23.191.201.0 - 23.191.201.255
256
2025-06-13allocated
United States204.62.190.0 - 204.62.191.255
512
2025-06-13allocated
Canada23.140.52.0 - 23.140.52.255
256
2025-06-13allocated
United States23.140.60.0 - 23.140.60.255
256
2025-06-13allocated
United States199.4.212.0 - 199.4.213.255
512
2025-06-13allocated
United States216.226.72.0 - 216.226.73.255
512
2025-06-12allocated
United States23.140.28.0 - 23.140.28.255
256
2025-06-12allocated
United States23.140.36.0 - 23.140.36.255
256
2025-06-12allocated
United States23.140.44.0 - 23.140.44.255
256
2025-06-12allocated
Canada67.220.176.0 - 67.220.191.255
4096
2025-06-12allocated
Canada107.151.0.0 - 107.151.31.255
8192
2025-06-12allocated
United States206.251.32.0 - 206.251.35.255
1024
2025-06-12allocated
United States207.29.192.0 - 207.29.199.255
2048
2025-06-12allocated
United States208.123.176.0 - 208.123.183.255
2048
2025-06-11allocated
United States199.73.0.0 - 199.73.7.255
2048
2025-06-11allocated
United States209.92.80.0 - 209.92.87.255
2048
2025-06-11allocated
United States23.140.20.0 - 23.140.20.255
256
2025-06-10allocated
United States199.85.245.0 - 199.85.245.255
256
2025-06-10allocated
Canada23.227.128.0 - 23.227.159.255
8192
2025-06-09allocated
United States23.140.12.0 - 23.140.12.255
256
2025-06-09allocated
United States104.204.144.0 - 104.204.159.255
4096
2025-06-09allocated
United States64.32.50.0 - 64.32.50.255
256
2025-06-09allocated
Canada209.205.192.0 - 209.205.223.255
8192
2025-06-09allocated

Address pool by prefix

PrefixNumber of free block
/22123.154.12.0
/23123.154.10.0
/24423.135.225.0, 23.151.160.0, 23.154.233.0, 23.155.163.0

Address pool by range