北京联通 还真可以访问了
ping
www.youtube.comPING
www.youtube.com (203.208.46.206): 56 data bytes
64 bytes from 203.208.46.206: icmp_seq=0 ttl=128 time=7.239 ms
64 bytes from 203.208.46.206: icmp_seq=1 ttl=128 time=7.377 ms
64 bytes from 203.208.46.206: icmp_seq=2 ttl=128 time=7.202 ms
64 bytes from 203.208.46.206: icmp_seq=3 ttl=128 time=7.209 ms
64 bytes from 203.208.46.206: icmp_seq=4 ttl=128 time=7.732 ms
64 bytes from 203.208.46.206: icmp_seq=5 ttl=128 time=8.126 ms
64 bytes from 203.208.46.206: icmp_seq=6 ttl=128 time=7.206 ms
64 bytes from 203.208.46.206: icmp_seq=7 ttl=128 time=7.688 ms
64 bytes from 203.208.46.206: icmp_seq=8 ttl=128 time=6.756 ms
64 bytes from 203.208.46.206: icmp_seq=9 ttl=128 time=7.010 ms
64 bytes from 203.208.46.206: icmp_seq=10 ttl=128 time=7.224 ms
64 bytes from 203.208.46.206: icmp_seq=11 ttl=128 time=4.043 ms
64 bytes from 203.208.46.206: icmp_seq=12 ttl=128 time=4.392 ms
64 bytes from 203.208.46.206: icmp_seq=13 ttl=128 time=5.965 ms
64 bytes from 203.208.46.206: icmp_seq=14 ttl=128 time=5.590 ms
64 bytes from 203.208.46.206: icmp_seq=15 ttl=128 time=7.461 ms
64 bytes from 203.208.46.206: icmp_seq=16 ttl=128 time=6.764 ms
64 bytes from 203.208.46.206: icmp_seq=17 ttl=128 time=6.873 ms