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: 172.217.65.91 | |
|---|---|
| PTR Record | pnjnbp-in-f91.1e100.net |
| Airport Code | jnb |
| Estimated Location | Johannesburg, South Africa |
| Reachability Overview | |
| Current Status | ✓ Reachable |
| First Seen | 2026-10-31 22:06:21 |
| Last Reachable | 2026-11-06 20:44:39 |
| Total Times Seen | 9 |
| Last RTT | 2396 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).