root@xxx:~# ping x.com
PING x.com (104.244.42.1) 56(84) bytes of data.
64 bytes from 104.244.42.1: icmp_seq=1 ttl=58 time=61.3 ms
64 bytes from 104.244.42.1: icmp_seq=2 ttl=58 time=61.4 ms
64 bytes from 104.244.42.1: icmp_seq=3 ttl=58 time=61.4 ms
64 bytes from 104.244.42.1: icmp_seq=4 ttl=58 time=61.3 ms
64 bytes from 104.244.42.1: icmp_seq=5 ttl=58 time=61.4 ms
64 bytes from 104.244.42.1: icmp_seq=6 ttl=58 time=61.4 ms
^C
root@xxx:~# ping twitter.com
PING twitter.com (104.244.42.129) 56(84) bytes of data.
64 bytes from 104.244.42.129: icmp_seq=1 ttl=58 time=60.9 ms
64 bytes from 104.244.42.129: icmp_seq=2 ttl=58 time=61.0 ms
64 bytes from 104.244.42.129: icmp_seq=3 ttl=58 time=61.2 ms
64 bytes from 104.244.42.129: icmp_seq=4 ttl=58 time=61.1 ms
64 bytes from 104.244.42.129: icmp_seq=5 ttl=58 time=61.1 ms
64 bytes from 104.244.42.129: icmp_seq=6 ttl=58 time=61.1 ms
^C
看了一下自己的 vps 香港 新加坡 美国 ping 过去延迟都比较高 只有日本 德国 英国是个位数的延迟 x 没有香港 这些地方的 CDN 吗
