IP address 81.169.145.72
IP address: 81.169.145.72
Address type: IPv4
Host or reverse DNS (rDNS): w08.rzone.de
Country: 
Germany
81.169.145.72 does NOT belong to a private IP address block.
81.169.145.72 does NOT belong to a reserved IP address block.
There are different formats or notations how the IP address 81.169.145.72 can be represented.
Dotted decimal: 81.169.145.72
Hexadecimal: 0x51A99148
Dotted hex: 0x51.0xA9.0x91.0x48
Decimal: 1370067272
Octal: 0121.0251.0221.0110
Binary: 01010001.10101001.10010001.01001000