Our database contains information about the public IPv4 and IPv6 addresses, networks and domains owned by companies and organisations across the world along with city-level IP geolocation data and autonomous system information.

Use the free tools below to query the database or check out our API.

Your IP Info

IP Address:
ISP/Organisation: Amazon Technologies Inc
Network: AT-88-Z (
Description: Amazon Technologies Inc
Location: United States Ashburn, Virginia, United States
Coordinates: E 39.0437, N -77.4875
Domains on IP: None

Organisation Lookup

Enter the name of a company, organisation, branch, institution, or person to view information about the public networks and domains they own or operate. Results are subdivided by country.

IP Address Lookup

Enter an IPv4 or IPv6 address to view its geolocation, information about the company or organisation that owns it and other public networks and addresses they own or operate.

IP to Domains Lookup

Reverse DNS

Enter an IPv4 or IPv6 address to view the domain names resolving to this address.

Domain to IPs Lookup

Forward DNS

Enter a domain name to view all the IPv4 and IPv6 addresses that point to it.

Network Lookup

Enter a partial or full network name (netname) to find matching organisations, networks and IP addresses.

ASN Lookup

Enter an Autonomous System Number to view information about the company that owns it and a list of the public networks announced.

Top Organisations

Top 10 largest companies according to the number of IPv4 addresses they own or operate.

United States DoD Network Information Center (221,971,456)
United States AT&T Services, Inc. (90,400,819)
United States Comcast Cable Communications (78,913,604)
China China Unicom (72,802,040)
United States Charter Communications Inc (63,812,336)
United States Amazon Technologies Inc (62,013,552)
Germany Deutsche Telekom AG (56,233,920)
United States Headquarters, USAISC (54,647,808)
United States MCI Communications Services, Inc. d/b/a Verizon Business (51,954,576)
Japan SOFTBANK Corp (50,607,640)