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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 173.37.145.112
Network Provider (ISP / ASN) AS109 (CISCOSYSTEMS - CISCO SYSTEMS, INC., US) [US]
Reverse Hostname (PTR) www2-realm.cisco.com

Remote Server Geolocation & Time

Country
United States United States
Region & City Texas, Allen
Postal Code 75013
Coordinates (Lat / Lon) 33.1032, -96.6706
Timezone Mapped America/Chicago
Server Local Time 08:51:50 - 17.06.2026
Allocated RIR Network ARIN (North America)
Autonomous Owner Cisco Systems, Inc.

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

Server Colocation Map

Live Network Diagnostics