The IP address you supply the ping command with can have a leading zero or multiple leading zeros and they will be ignored by the ping command. This is an example. [email protected]:~$ ping 192.168.00001.00002 PING 192.168.00001.00002 (192.168.1.2) 56(84) bytes of data. 64 bytes from 192.168.1.2: icmp_seq=1 ttl=64 time=0.012 ms 64 bytes from 192.168.1.2: icmp_seq=2 ttl=64 …