IP address 81.161.248.186
IP address: 81.161.248.186
Address type: IPv4
Host or reverse DNS (rDNS): FIT.tu-sofia.bg
Country: 
Bulgaria
81.161.248.186 does NOT belong to a private IP address block.
81.161.248.186 does NOT belong to a reserved IP address block.
There are different formats or notations how the IP address 81.161.248.186 can be represented.
Dotted decimal: 81.161.248.186
Hexadecimal: 0x51A1F8BA
Dotted hex: 0x51.0xA1.0xF8.0xBA
Decimal: 1369569466
Octal: 0121.0241.0370.0272
Binary: 01010001.10100001.11111000.10111010