ASN Scanner

IP to ASN lookup and Autonomous System Number analysis tool. Find ASN information for any IP address and explore network ranges.


Discover which Autonomous System owns any IP address, explore ASN ranges, and analyze network infrastructure.

1,038
Total ASNs
44,324
IP Ranges
25
Countries
IP Lookup

Look up ASN information for a single IP address.

ASN Search

Search for ASNs by name or organization.

Bulk IP Lookup

Look up ASN information for multiple IP addresses at once.

Go to Bulk Lookup
API Access

Access our REST API for programmatic access to ASN data.

View API

Features

IP to ASN Lookup

Find which Autonomous System owns any IP address with detailed information.

Country Information

Get country and organization information for each ASN.

REST API

Programmatic access to all ASN data via REST API endpoints.