PING elearning.whois.de (104.21.4.230) 56(84) bytes of data.
64 bytes from 104.21.4.230 (104.21.4.230): icmp_seq=1 ttl=60 time=4.47 ms
64 bytes from 104.21.4.230 (104.21.4.230): icmp_seq=2 ttl=60 time=3.95 ms
64 bytes from 104.21.4.230 (104.21.4.230): icmp_seq=3 ttl=60 time=4.12 ms

--- elearning.whois.de ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 3.953/4.184/4.473/0.228 ms