ASN Lookup
Autonomous system information by IP or domain.
ASN Lookup — Autonomous System
Get autonomous system (AS) information by IP or domain: ASN number, owner organization, IP ranges and geography. Used for network infrastructure analysis.
ASN number and name
Owner organization
IP prefixes
Geolocation
How to Use
- Enter an ASN number (e.g., AS13335) or IP address for lookup
- The system will identify the autonomous system, provider and IP ranges
- Review network info: organization name and associated prefixes
FAQ
ASN is a unique number assigned to a network provider. An autonomous system is a group of IP networks under unified routing management.
Knowing the ASN helps determine the hosting provider, identify neighboring sites and evaluate network reputation. Useful for competitor analysis.