PING
gmail-imap.l.google.com (64.233.187.109) 56(84) bytes of data.
64 bytes from 64.233.187.109: icmp_seq=1 ttl=252 time=286 ms
64 bytes from 64.233.187.109: icmp_seq=2 ttl=252 time=283 ms
64 bytes from 64.233.187.109: icmp_seq=3 ttl=252 time=290 ms
64 bytes from 64.233.187.109: icmp_seq=4 ttl=252 time=291 ms
64 bytes from 64.233.187.109: icmp_seq=5 ttl=252 time=286 ms
64 bytes from 64.233.187.109: icmp_seq=6 ttl=252 time=282 ms
64 bytes from 64.233.187.109: icmp_seq=7 ttl=252 time=294 ms
64 bytes from 64.233.187.109: icmp_seq=8 ttl=252 time=286 ms
64 bytes from 64.233.187.109: icmp_seq=9 ttl=252 time=300 ms
64 bytes from 64.233.187.109: icmp_seq=10 ttl=252 time=284 ms
---
gmail-imap.l.google.com ping statistics ---
10 packets transmitted, 10 received, 0% packet loss, time 9003ms
rtt min/avg/max/mdev = 282.234/288.693/300.605/5.343 ms
at Beijing