IP Address Lookup

Look up the network owner, CIDR block, country and type for any IP, including your own

My IP address

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What is an IP address lookup?

An IP address lookup is a free tool for viewing the network information of any IP address: CIDR block, address range, network name, country/region, network type and owner. Data comes from the official RDAP services of the RIRs.

See your public IP

Opening the tool automatically detects your public IP and shows its network information. Click Refresh to re-detect.

Look up any IP

Enter an IPv4 address (e.g. 8.8.8.8) in the input box and click Look up to see the network details of that IP.

Common uses

  • Confirm your public IP and its network
  • Identify an IP's owner and region
  • Troubleshoot network and server configuration
  • Initial cybersecurity and threat-intel checks

Frequently Asked Questions

What is an IP address lookup?+
An IP address lookup uses RDAP (Registration Data Access Protocol) to view the network an IP belongs to: CIDR block, owner, country/region, network type and status.
How do I see my public IP?+
Open the tool and it automatically detects and displays your public IP and its network information. Click Refresh to re-detect.
Does it support IPv6?+
RDAP supports both IPv4 and IPv6. The current input box accepts IPv4 format; IPv6 lookup is being improved.
How accurate are the results?+
Data comes from the official RDAP services of the five Regional Internet Registries (ARIN, RIPE, APNIC, LACNIC, AFRINIC) — authoritative network allocation information.
Is it free and safe?+
Completely free. Your browser queries the public RDAP service directly — no sign-up, no API key.

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IP Address Lookup — free online ip lookup, ip address lookup, ip location, my ip address, ip whois, ip geolocation, ip address info, ip network lookup. No signup required. Works in your browser.