IP address 18.220.225.51
IP address: 18.220.225.51
Address type: IPv4
Host or reverse DNS (rDNS): el2.convertkit-mail2.com
Country: 
United States
18.220.225.51 does NOT belong to a private IP address block.
18.220.225.51 does NOT belong to a reserved IP address block.
There are different formats or notations how the IP address 18.220.225.51 can be represented.
Dotted decimal: 18.220.225.51
Hexadecimal: 0x12DCE133
Dotted hex: 0x12.0xDC.0xE1.0x33
Decimal: 316465459
Octal: 0022.0334.0341.0063
Binary: 00010010.11011100.11100001.00110011