IPs are 4 octets, normally represented as a decimal between 0 and 255, or 00000000 and 1111111 in binary. Remove the dots and concat the binary value for 1.1.1

IPs are 4 octets, normally represented as a decimal between 0 and 255, or 00000000 and 1111111 in binary. Remove the dots and concat the binary value for 1.1.1.1 and you get 00000001000000010000000100000001. Convert that binary value to decimal and you get 16843009.