du@wj:~$ ping 1.1.1.1
PING 1.1.1.1 (1.1.1.1) 56(84) bytes of data.
64 bytes from 1.1.1.1: icmp_seq=1 ttl=253 time=2.43 ms
64 bytes from 1.1.1.1: icmp_seq=2 ttl=253 time=1.82 ms
64 bytes from 1.1.1.1: icmp_seq=3 ttl=253 time=1.37 ms
64 bytes from 1.1.1.1: icmp_seq=4 ttl=253 time=1.84 ms