$ ping
v2ex.comPING
v2ex.com (23.251.100.132): 56 data bytes
Request timeout for icmp_seq 0
64 bytes from 23.251.100.132: icmp_seq=1 ttl=45 time=349.814 ms
64 bytes from 23.251.100.132: icmp_seq=2 ttl=45 time=289.071 ms
64 bytes from 23.251.100.132: icmp_seq=3 ttl=45 time=335.400 ms
64 bytes from 23.251.100.132: icmp_seq=4 ttl=45 time=273.536 ms
64 bytes from 23.251.100.132: icmp_seq=5 ttl=45 time=316.583 ms
64 bytes from 23.251.100.132: icmp_seq=6 ttl=45 time=358.499 ms
^C
---
v2ex.com ping statistics ---
8 packets transmitted, 6 packets received, 25.0% packet loss
round-trip min/avg/max/stddev = 273.536/320.484/358.499/30.914 ms
北京联通