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: 172.217.16.232 | |
|---|---|
| PTR Record | lhr48s28-in-f8.1e100.net mad08s04-in-f8.1e100.net pnpara-ae-in-f8.1e100.net |
| Airport Code | lhr |
| Estimated Location | London, United Kingdom |
| Reachability Overview | |
| Current Status | ✓ Reachable |
| First Seen | 2026-10-23 10:49:24 |
| Last Reachable | 2026-11-06 15:40:49 |
| Total Times Seen | 16 |
| Last RTT | 872 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).