ASN & Organization Lookup

Discover the Autonomous System Number (ASN) and organization information for any IP address using RDAP (Registration Data Access Protocol) lookups.

🔍 IP Address Lookup

Supports both IPv4 and IPv6 addresses. Try your current IP or any public address.

📊 What You'll Discover

  • ASN (Autonomous System Number): Unique identifier for the network routing domain
  • Organization Name: Company or entity operating the network infrastructure
  • Network Range: IP address block allocated to this ASN
  • Country & Registry: Geographic location and managing authority

🔧 Technical Details

  • RDAP Protocol: Official successor to WHOIS for IP registration data
  • Registry Sources: ARIN, RIPE, APNIC, LACNIC, AFRINIC
  • Caching: Results cached for 15 minutes to improve performance
  • Accuracy: Data sourced directly from Regional Internet Registries

ℹī¸ About This Tool

ASN information is sourced from official Regional Internet Registries (RIRs) via RDAP protocol. Data accuracy depends on registry maintenance and may not reflect current operational status.

This tool is useful for network analysis, security research, and understanding internet infrastructure ownership.

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