ARIN's IPv4 Address Pool

Last updated: 2026-01-11

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

Recent allocated or assigned address list

CountryRangeNumber of addressesDateStatus
United States23.152.116.0 - 23.152.116.255
256
2026-01-09allocated
United States206.109.63.0 - 206.109.63.255
256
2026-01-09allocated
United States66.71.198.0 - 66.71.198.255
256
2026-01-09allocated
United States206.109.62.0 - 206.109.62.255
256
2026-01-09allocated
United States23.152.68.0 - 23.152.68.255
256
2026-01-07allocated
United States23.152.76.0 - 23.152.76.255
256
2026-01-07allocated
United States23.152.92.0 - 23.152.92.255
256
2026-01-07allocated
United States23.152.28.0 - 23.152.28.255
256
2026-01-07allocated
Puerto Rico23.152.36.0 - 23.152.36.255
256
2026-01-07allocated
United States23.152.52.0 - 23.152.52.255
256
2026-01-07allocated
United States23.152.60.0 - 23.152.60.255
256
2026-01-07allocated
United States72.51.12.0 - 72.51.15.255
1024
2026-01-06allocated
United States74.188.244.0 - 74.188.247.255
1024
2026-01-06allocated
United States204.57.216.0 - 204.57.216.255
256
2026-01-06allocated
United States204.57.217.0 - 204.57.217.255
256
2026-01-06allocated
United States66.71.222.0 - 66.71.223.255
512
2026-01-05allocated
United States64.239.28.0 - 64.239.29.255
512
2026-01-05allocated

Address pool by prefix

PrefixNumber of free block
/24223.162.168.0, 23.179.24.0

Address pool by range