| Registry | Regional Area | IPv4 Allocation |
|---|---|---|
| AfriNIC | Africa Region | IPv4 CIDR Prefixes |
| APNIC | Asia/Pacific Region | IPv4 CIDR Prefixes |
| ARIN | North America Region | IPv4 CIDR Prefixes |
| LACNIC | Latin America and some Caribbean Islands | IPv4 CIDR Prefixes |
| RIPE NCC | Europe, the Middle East, & Central Asia | IPv4 CIDR Prefixes |
IANA CIDR Data Source: IPv4 Address Space Registry
Last updated: