PING www.kok.nl (172.67.192.91) 56(84) bytes of data.
64 bytes from 172.67.192.91 (172.67.192.91): icmp_seq=1 ttl=60 time=6.44 ms
64 bytes from 172.67.192.91 (172.67.192.91): icmp_seq=2 ttl=60 time=4.05 ms
64 bytes from 172.67.192.91 (172.67.192.91): icmp_seq=3 ttl=60 time=4.11 ms

--- www.kok.nl ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 4.050/4.869/6.441/1.113 ms