IP address 212.91.11.66
IP address: 212.91.11.66
Address type: IPv4
Host or reverse DNS (rDNS): webhost1.opoka.org.pl
Country: 
Poland
212.91.11.66 does NOT belong to a private IP address block.
212.91.11.66 does NOT belong to a reserved IP address block.
There are different formats or notations how the IP address 212.91.11.66 can be represented.
Dotted decimal: 212.91.11.66
Hexadecimal: 0xD45B0B42
Dotted hex: 0xD4.0x5B.0x0B.0x42
Decimal: 3562736450
Octal: 0324.0133.0013.0102
Binary: 11010100.01011011.00001011.01000010