Reverse DNS PTR Resolver
Reverse DNS Lookup
Perform a quick Reverse DNS PTR lookup to determine the official system hostname and ISP carrier mapped to any IP address.
Reverse DNS Resolution Details
Target IP Address
172.217.16.131
Network Provider (ISP / ASN)
AS15169 (GOOGLE - Google LLC, US) [US]
Remote Server Geolocation & Time
Country
Germany
Germany
Region & City
Hesse, Frankfurt am Main
Postal Code
60313
Coordinates (Lat / Lon)
50.1109, 8.68213
Timezone Mapped
Europe/Berlin
Server Local Time
15:47:59 - 09.06.2026
Allocated RIR Network
RIPE NCC (Europe, Middle East, Central Asia)
Autonomous Owner
Google LLC
Live Security Reputation Check
100% Clean Reputation
No spam, botnet attacks, or national threat flags identified for this host.
Spamhaus Zen RBL:
CLEAN
Barracuda Central:
CLEAN
USOM Threat Center:
CLEAN