ASN Lookup Tool
Shortcuts: / or Ctrl+L to focus, Esc to return
Frequently Asked Questions
- What is an ASN lookup?
- It identifies the Autonomous System Number (ASN) associated with an IP address and the organization that operates it.
- How do I perform an IP ASN lookup?
- Enter the IP address and the tool returns the ASN details for that address.
- Can I find ASN details for IPv6 addresses?
- Yes. The lookup supports both IPv4 and IPv6 addresses.
- Why is ASN information important?
- ASN data helps with routing analysis, security investigations, and understanding network ownership and topology.
- What can I learn from an ASN lookup?
- You can see the organization that owns the IP range and gain insight into routing policies and infrastructure.