IP address 81.169.145.90
IP address: 81.169.145.90
Address type: IPv4
Host or reverse DNS (rDNS): w8a.rzone.de
Country: 
Germany
81.169.145.90 does NOT belong to a private IP address block.
81.169.145.90 does NOT belong to a reserved IP address block.
There are different formats or notations how the IP address 81.169.145.90 can be represented.
Dotted decimal: 81.169.145.90
Hexadecimal: 0x51A9915A
Dotted hex: 0x51.0xA9.0x91.0x5A
Decimal: 1370067290
Octal: 0121.0251.0221.0132
Binary: 01010001.10101001.10010001.01011010