IP address 185.221.42.23
IP address: 185.221.42.23
Address type: IPv4
Host or reverse DNS (rDNS): radon.opsdev.ch
Country: 
Switzerland
185.221.42.23 does NOT belong to a private IP address block.
185.221.42.23 does NOT belong to a reserved IP address block.
There are different formats or notations how the IP address 185.221.42.23 can be represented.
Dotted decimal: 185.221.42.23
Hexadecimal: 0xB9DD2A17
Dotted hex: 0xB9.0xDD.0x2A.0x17
Decimal: 3118279191
Octal: 0271.0335.0052.0027
Binary: 10111001.11011101.00101010.00010111