最近访问某些 DNS 解析出来的 github 的 ip 时，丢包很严重，大家有没遇到过类似的问题？

[JavaScriptVsJava]

本地 ping：

➜  ~ ping github.com
PING github.com (192.30.253.112) 56(84) bytes of data.
64 bytes from lb-192-30-253-112-iad.github.com (192.30.253.112): icmp_seq=1 ttl=43 time=262 ms
64 bytes from lb-192-30-253-112-iad.github.com (192.30.253.112): icmp_seq=2 ttl=43 time=260 ms
64 bytes from lb-192-30-253-112-iad.github.com (192.30.253.112): icmp_seq=3 ttl=43 time=263 ms
64 bytes from lb-192-30-253-112-iad.github.com (192.30.253.112): icmp_seq=4 ttl=43 time=264 ms
64 bytes from lb-192-30-253-112-iad.github.com (192.30.253.112): icmp_seq=5 ttl=43 time=249 ms
^C
--- github.com ping statistics ---
6 packets transmitted, 5 received, 16% packet loss, time 5003ms
rtt min/avg/max/mdev = 249.467/260.035/264.164/5.521 ms

在线 ping： https://ping.chinaz.com/github.com

[soulzz]

raw.githubcontent.com 早就被污染了 路由器 curl 拉一个脚本死活拉不下来