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
72.163.4.185
Network Provider (ISP / ASN)
AS109 (CISCOSYSTEMS - CISCO SYSTEMS, INC., US) [US]
Remote Server Geolocation & Time
Country
United States
United States
Region & City
Texas, Richardson
Postal Code
75081
Coordinates (Lat / Lon)
32.9482, -96.7297
Timezone Mapped
America/Chicago
Server Local Time
02:08:10 - 13.07.2026
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