IP Lookup
Look up IP network registration details, ASN, ISP, approximate geolocation, reverse DNS and RDAP data.
Your IP Address (IPv4): 216.73.217.172
IP Summary
- ASN
- AS16509
- Organization
- Anthropic, Pbc
- ISP
- Amazon.com, Inc.
- Country
- United States
- Region
- Ohio
- City
- Columbus
Reverse DNS / PTR
No PTR record found. Many IP addresses do not have reverse DNS configured.
Domains Pointing to This IP (Cached)
Data comes from cached public DNS A / AAAA records that have been queried before and may be incomplete.
No known domains yet. This list will grow automatically as related domains are queried.
Raw IP RDAP Data
Raw RDAP JSON
{
"ok": false,
"status": 0,
"error": "Operation timed out after 8001 milliseconds with 0 bytes received",
"fetched_at": "2026-07-21T17:49:16+08:00"
}Frequently Asked Questions
Is IP geolocation exact?
No. It is an estimate and can be affected by proxy services, CDNs and Anycast.
What is ASN?
ASN identifies the routing organization that announces an IP range.