IP address 202.40.220.23
IP address: 202.40.220.23
Address type: IPv4
Host or reverse DNS (rDNS): ichecker.ouhk.edu.hk
Country: 
Hong Kong
202.40.220.23 does NOT belong to a private IP address block.
202.40.220.23 does NOT belong to a reserved IP address block.
There are different formats or notations how the IP address 202.40.220.23 can be represented.
Dotted decimal: 202.40.220.23
Hexadecimal: 0xCA28DC17
Dotted hex: 0xCA.0x28.0xDC.0x17
Decimal: 3391675415
Octal: 0312.0050.0334.0027
Binary: 11001010.00101000.11011100.00010111