PING courses2017.csail.mit.edu (128.30.2.18) 56(84) bytes of data.
64 bytes from courses2017.csail.mit.edu (128.30.2.18): icmp_seq=1 ttl=54 time=83.7 ms
64 bytes from courses2017.csail.mit.edu (128.30.2.18): icmp_seq=2 ttl=54 time=83.3 ms
64 bytes from courses2017.csail.mit.edu (128.30.2.18): icmp_seq=3 ttl=54 time=83.0 ms

--- courses2017.csail.mit.edu ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 83.009/83.339/83.706/0.285 ms