IP and ASN Lookup
Get IP ownership and network details via RDAP. Shows ASN, country, CIDR ranges, and allocation info.
Tool Guide & Tips
Understand IP ownership
Look up who owns an IP address and which Autonomous System (ASN) announces it. We query multiple RDAP registries (ARIN, RIPE, APNIC, LACNIC, AFRINIC) to return authoritative data like country, network name, and allocated CIDR ranges.
Multi‑RIR RDAP fallback ASN, country, and CIDRs Structured JSON output
Troubleshoot common issues
- Identify the hosting provider or network for an IP.
- Check if an address belongs to a VPN, ISP, or cloud.
- Review IPv6 allocations and routing at a glance.
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