GWS Database

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.

IP or 1e100.net Hostname

Query Result: 209.85.200.145
PTR Record jl-in-f145.1e100.net
Airport Code jl
Estimated Location United States
Reachability Overview
Current Status✓ Reachable
First Seen2026-10-30 10:43:22
Last Reachable2026-11-06 23:14:47
Total Times Seen11
Last RTT702 ms

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TimeResultReasonRTT

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).