網路因為更新10.4.8有點異常

我更新10.4.8
itunes store上不了
有些網站也是上不了
如www.skype.com

把網路追蹤
已執行 Traceroute…

traceroute to web1.skype.com (198.173.5.35), 64 hops max, 40 byte packets
1 61-228-192-254.dynamic.hinet.net (61.228.192.254) 41.993 ms 41.874 ms 43.380 ms
2 tp-gs-c6r2.router.hinet.net (168.95.73.10) 39.896 ms 44.552 ms 56.848 ms
3 tp-s2-c76r8.router.hinet.net (203.75.232.82) 40.173 ms 39.351 ms 44.227 ms
4 tp-s2-c12r2.router.hinet.net (211.22.34.6) 46.633 ms tp-s2-c12r2.router.hinet.net (211.22.34.134) 43.500 ms tp-s2-c12r2.router.hinet.net (211.22.34.6) 40.553 ms
5 tp-s2-c12r12.router.hinet.net (220.128.2.122) 53.795 ms tp-s2-c12r11.router.hinet.net (220.128.1.122) 48.528 ms tp-s2-c12r12.router.hinet.net (220.128.2.122) 40.054 ms
6 tp-s2-c12r6.router.hinet.net (220.128.1.97) 40.291 ms tp-s2-c12r5.router.hinet.net (220.128.2.89) 58.957 ms 39.160 ms
7 tp-s2-c12r32.router.hinet.net (211.75.91.213) 38.696 ms tp-s2-c12r32.router.hinet.net (211.75.91.205) 38.623 ms tp-s2-c12r32.router.hinet.net (211.75.91.213) 39.272 ms
8 211.72.108.169 (211.72.108.169) 202.191 ms 206.359 ms 200.611 ms
9 p5-3.core01.sjc04.atlas.cogentco.com (154.54.13.17) 196.005 ms 200.377 ms 202.036 ms
10 p9-0.core02.sfo01.atlas.cogentco.com (66.28.4.233) 199.384 ms 200.235 ms 204.446 ms
11 p4-0.core01.mci01.atlas.cogentco.com (66.28.4.210) 247.931 ms 267.531 ms 242.361 ms
12 p5-0.core02.ord01.atlas.cogentco.com (66.28.4.34) 247.956 ms 249.790 ms 248.542 ms
13 g8.ba21.b002326-1.ord01.atlas.cogentco.com (38.112.37.254) 247.498 ms 246.844 ms 244.267 ms
14 border2.cifnet.net (66.250.6.166) 250.282 ms 258.522 ms 252.003 ms
15 198.173.5.35 (198.173.5.35) 249.536 ms 243.906 ms 242.518 ms

請問是要如何改,才可以正常上網
國內網站則正常