I.P. address is usually represented in quad notation i.e a.b.c.d . Where a and d are numbers from 1 to 254, and b and c are numbers from 0 to 255. Technically an IP address is of 4 bytes. A computer processes IP addresses as raw bytes.
IP address consist of 4 bytes (32 bits) identified as abcd where a and d are numbers from 1 to 254 and b and c are numbers from 0 to 255. Computer process to IP address as raw bytes. In order to make it human readable, the dotted-quad sequence is introduced which interprets the address as : a.b.c.d