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
13.104.0.0
Network Provider (ISP / ASN)
AS8075 (MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US) [US]
Reverse Hostname (PTR)
No Pointer (PTR) record configured for this IP.
Remote Server Geolocation & Time
Country
Japan
Japan
Region & City
Tokyo, Tokyo
Postal Code
Coordinates (Lat / Lon)
35.6761, 139.6503
Timezone Mapped
Asia/Tokyo
Server Local Time
19:48:29 - 23.10.2026
Allocated RIR Network
APNIC (Asia-Pacific)
Autonomous Owner
Microsoft Corporation
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