Our database contains information about the public IPv4 and IPv6 addresses, networks and domains owned by companies and organizations 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:
Organization: Amazon Data Services
Network: AMAZON-IAD (
Description: NoVa
Service Provider: Amazon Technologies Inc
Announcing ASN: AS14618 AMAZON-AES
Location: United States Ashburn, Virginia, United States
Coordinates: 39.0438 N, -77.4874 E
Domains on IP: None

Organization Lookup

Enter the name of a company, organization, 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 organization 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 organizations, 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 Organizations

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

United States DoD Network Information Center (222,101,504)
United States AT&T Corp (89,400,583)
United States Comcast Cable Communications, Inc (87,545,756)
United States Verizon Business (80,109,269)
United Kingdom Amazon Technologies Inc (77,168,426)
United States Amazon.com, Inc (72,482,554)
China China Unicom (68,341,302)
United States Charter Communications Inc (63,814,340)
United States Microsoft Corporation (61,163,594)
Germany Deutsche Telekom A.G. (56,066,176)