IP WHOIS Lookup

RDAP allocation block, range and owning organisation

Free Online Tool

IP WHOIS Lookup — Complete Guide & Instructions

Find who owns an IP address — the registered network block, address range, country and organisation from the official registry.

How to Use IP WHOIS Lookup

  1. 1 Enter an IPv4 or IPv6 address.
  2. 2 Click Check.
  3. 3 See the allocation block and owner.

Key Features & Capabilities

  • Official registry allocation data.
  • Full IP range shown.
  • Organisation and country.