// ipv4 allocations

IPv4 allocations

Name: asn.zone - ASN, IP allocation, and organization directory
Creator: IPXO
License: https://creativecommons.org/licenses/by/4.0/

Total IPv4 allocations and block counts by country, summed from RIR delegated stats. Drill into a country for prefix/mask details.

Registry:All ARIN RIPE APNIC LACNIC AFRINIC

Largest IPv4 holdings by country

From RIR delegated stats

Country	IPv4 hosts	/24 equivalents	Blocks	Organizations

Open any country to see per-organization IPv4 prefixes with subnet masks. Multi-CIDR allocations (where the host count is not a power of two) are split into one row per aligned CIDR block.