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
3.173.21.154
Network Provider (ISP / ASN)
AS16509 (AMAZON-02 - Amazon.com, Inc., US) [US]
Reverse Hostname (PTR)
No Pointer (PTR) record configured for this IP.
Remote Server Geolocation & Time
Country
United States
United States
Region & City
Washington, Seattle
Postal Code
98101
Coordinates (Lat / Lon)
47.6157, -122.336
Timezone Mapped
America/Los_Angeles
Server Local Time
09:19:31 - 15.06.2026
Allocated RIR Network
ARIN (North America)
Autonomous Owner
AWS CloudFront (GLOBAL)
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