IP address 101.0.81.42
IP address: 101.0.81.42
Address type: IPv4
Host or reverse DNS (rDNS): apollo.btc.com.au
Country: 
Australia
101.0.81.42 does NOT belong to a private IP address block.
101.0.81.42 does NOT belong to a reserved IP address block.
There are different formats or notations how the IP address 101.0.81.42 can be represented.
Dotted decimal: 101.0.81.42
Hexadecimal: 0x6500512A
Dotted hex: 0x65.0x00.0x51.0x2A
Decimal: 1694519594
Octal: 0145.0000.0121.0052
Binary: 01100101.00000000.01010001.00101010