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
151.101.194.165
Network Provider (ISP / ASN)
AS54113 (FASTLY - Fastly, Inc., US) [US]
Reverse Hostname (PTR)
No Pointer (PTR) record configured for this IP.
Remote Server Geolocation & Time
Country
Canada
Canada
Region & City
Quebec, Montreal
Postal Code
H4X
Coordinates (Lat / Lon)
45.5019, -73.5674
Timezone Mapped
America/Toronto
Server Local Time
19:30:23 - 16.06.2026
Allocated RIR Network
ARIN (North America)
Autonomous Owner
Fastly, 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