IP address 81.30.148.4
IP address: 81.30.148.4
Address type: IPv4
Hostname or reverse DNS (rDNS): (host name is not defined)
Country: 
Germany
81.30.148.4 does NOT belong to a private IP address block.
81.30.148.4 does NOT belong to a reserved IP address block.
There are different formats or notations how the IP address 81.30.148.4 can be represented.
Dotted decimal: 81.30.148.4
Hexadecimal: 0x511E9404
Dotted hex: 0x51.0x1E.0x94.0x04
Decimal: 1360958468
Octal: 0121.0036.0224.0004
Binary: 01010001.00011110.10010100.00000100