8 25 ms 23 ms 21 ms otejbb204.kddnet.ad.jp [118.155.197.130]
9 145 ms 140 ms 146 ms pacbb002.kddnet.ad.jp [203.181.100.118]
10 139 ms 143 ms 141 ms ix-pa8.kddnet.ad.jp [124.211.34.134]
11 130 ms 130 ms 133 ms gi2-5.mpd01.sjc04.atlas.cogentco.com [154.54.14.5]
12 522 ms 154 ms 132 ms te3-1.mpd01.sfo01.atlas.cogentco.com [154.54.28.81]
13 149 ms 143 ms 143 ms te4-3.ccr02.sfo04.atlas.cogentco.com [154.54.7.122]
14 282 ms 281 ms 234 ms PacificInternetExchange.demarc.cogentco.com [38.112.11.74]
15 247 ms * * qb5.2ch.net [206.223.152.130]
16 * * * Request timed out.
17 * * 147 ms qb5.2ch.net [206.223.152.130]

同じ鯖が2回出てくるってどういう事？