ARIN's IPv4 Address Pool

Last updated: 2026-02-02

None addresses are unallocated. (Legacy addresses are not counted.)

Recent allocated or assigned address list

CountryRangeNumber of addressesDateStatus
United States216.235.252.0 - 216.235.255.255
1024
2026-01-30allocated
United States206.109.104.0 - 206.109.105.255
512
2026-01-30allocated
United States23.174.200.0 - 23.174.200.255
256
2026-01-30allocated
Japan23.156.104.0 - 23.156.104.255
256
2026-01-29allocated
Grenada23.155.216.0 - 23.155.216.255
256
2026-01-29allocated
United States23.148.184.0 - 23.148.184.255
256
2026-01-28allocated
United States208.88.64.0 - 208.88.64.255
256
2026-01-28allocated
United States23.159.40.0 - 23.159.40.255
256
2026-01-28allocated
United States216.194.72.0 - 216.194.75.255
1024
2026-01-28allocated
United States23.160.80.0 - 23.160.80.255
256
2026-01-28allocated
Puerto Rico65.87.200.0 - 65.87.207.255
2048
2026-01-28allocated
United States23.136.220.0 - 23.136.220.255
256
2026-01-28allocated
United States23.131.136.0 - 23.131.136.255
256
2026-01-28allocated
Japan23.183.56.0 - 23.183.56.255
256
2026-01-27allocated
United States23.170.176.0 - 23.170.176.255
256
2026-01-27allocated
United States216.176.224.0 - 216.176.231.255
2048
2026-01-27allocated
United States23.185.16.0 - 23.185.16.255
256
2026-01-26allocated
United States23.128.48.0 - 23.128.48.255
256
2026-01-26allocated
United States69.196.192.0 - 69.196.223.255
8192
2026-01-26allocated
United States70.40.152.0 - 70.40.159.255
2048
2026-01-26allocated
United States104.143.16.0 - 104.143.31.255
4096
2026-01-26allocated
United States206.109.48.0 - 206.109.55.255
2048
2026-01-26allocated
United States208.94.215.0 - 208.94.215.255
256
2026-01-26allocated

Address pool by prefix

PrefixNumber of free block

Address pool by range

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