Use sort
utility to sort IP addresses.
List IP addresses.
$ cat ip_file 10.0.0.2 10.3.0.1 192.168.0.3 192.168.9.11 192.168.9.10 10.2.2.1 10.2.2.21 10.2.2.17 192.168.2.1 10.0.0.1 10.0.0.100
Sort IP addresses.
$ sort -t. +0n -1n +1n -2n +2n -3n +3n ip_file 10.0.0.1 10.0.0.2 10.0.0.100 10.2.2.1 10.2.2.17 10.2.2.21 10.3.0.1 192.168.0.3 192.168.2.1 192.168.9.10 192.168.9.11