IPv4 Address Space Report

An Internet Protocol address (IP address) is a numerical label assigned to each device connected to a computer network which utilises the Internet Protocol for communication. IPv4 uses 32-bit addresses which makes the maximum theoretical address space limited to 4,294,967,296 (232) addresses.



Data last updated on: 2022-01-20T01:10:20+00:00. Patent pending.



Regional Internet Registries (RIR)

AFRINIC Africa Region
APNIC Asia/Pacific Region
ARIN Canada, USA, and some Caribbean Islands
LACNIC Latin America and some Caribbean Islands
RIPE NCC Europe, the Middle East, and Central Asia
IANA Internet Assigned Numbers Authority

Address space distribution

Allocated/assigned space by RIR

Available space by RIR

Allocated space utilisation (based on BGP data)

Reserved space utilisation (bogon prefixes)

Assigned and announced space by RIR

Assigned, but not utilised space by RIR