IP address 128.31.0.34
IP address: 128.31.0.34
Address type: IPv4
Host or reverse DNS (rDNS): durin.csail.mit.edu
Country: 
United States
128.31.0.34 does NOT belong to a private IP address block.
128.31.0.34 does NOT belong to a reserved IP address block.
There are different formats or notations how the IP address 128.31.0.34 can be represented.
Dotted decimal: 128.31.0.34
Hexadecimal: 0x801F0022
Dotted hex: 0x80.0x1F.0x00.0x22
Decimal: 2149515298
Octal: 0200.0037.0000.0042
Binary: 10000000.00011111.00000000.00100010