windows azure 中国怎么会走美国线路了

louis$ traceroute 139.219.13.143
traceroute to 139.219.13.158 (139.219.13.158), 64 hops max, 52 byte packets
1 unknown-lan2 (192.168.20.1) 1.247 ms 1.128 ms 1.120 ms
2 110.210.28.1 (110.210.28.1) 6.690 ms 12.564 ms 10.473 ms
3 61.235.76.165 (61.235.76.165) 5.221 ms 5.521 ms 5.171 ms
4 110.211.252.5 (110.211.252.5) 6.903 ms 5.647 ms 5.621 ms
5 222.50.127.89 (222.50.127.89) 6.847 ms
222.50.127.73 (222.50.127.73) 7.652 ms
222.50.127.33 (222.50.127.33) 12.443 ms
6 61.237.123.214 (61.237.123.214) 9.105 ms
61.237.123.218 (61.237.123.218) 5.721 ms
61.237.123.214 (61.237.123.214) 8.916 ms
7 203.131.243.217 (203.131.243.217) 10.530 ms 11.855 ms 10.134 ms
8 ae-2.r25.tokyjp05.jp.bb.gin.ntt.net (129.250.2.120) 84.941 ms 64.811 ms 58.669 ms
9 ae-2.r21.tokyjp05.jp.bb.gin.ntt.net (129.250.6.201) 131.883 ms 118.412 ms 124.933 ms
10 * p64-1.chinanet.tokyjp05.jp.bb.gin.ntt.net (129.250.66.54) 79.618 ms
p64-3.chinanet.tokyjp05.jp.bb.gin.ntt.net (129.250.66.90) 141.303 ms
11 202.97.91.5 (202.97.91.5) 172.667 ms
202.97.58.97 (202.97.58.97) 141.779 ms 146.195 ms
12 202.97.53.145 (202.97.53.145) 142.562 ms *