Enter an IP address within a Google ASN to look up its PTR record, or a 1e100.net hostname to look up its A/AAAA records, and estimate its geographic location.
| Query Result: 172.217.76.144 | |
|---|---|
| PTR Record | yulhrp-in-f144.1e100.net |
| Airport Code | lhr |
| Estimated Location | London, United Kingdom |
| Reachability Overview | |
| Current Status | ✓ Reachable |
| First Seen | 2026-11-06 20:21:01 |
| Last Reachable | 2026-11-06 20:21:01 |
| Total Times Seen | 1 |
| Last RTT | 894 ms |
Loading check history…
| Check History (0 checks, newest first) | |||
|---|---|---|---|
| Time | Result | Reason | RTT |
| 即时检测 |
|---|
| 仅中国大陆IP可即时检测 |
Location estimates are based on the 1e100.net PTR naming convention (a community-maintained, unofficial document, for reference only).