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ASN Information

The ASN Information tool provides complete autonomous system (AS) information.

Enter an AS number, IP address, or a Company name.

About this Tool

Autonomous Systems are routable networks within the public Internet, administered by the local RIRs and assigned to owners of networks. The ASN Information tool displays information about an IP address's Autonomous System Number (ASN) such as: IP owner, registration date, issuing registrar and the max range of the AS with total IPs.