6to4で電通大に到達できない

oku@sandbox ~ $ /usr/sbin/traceroute6 2002:d2e0:d624::2
traceroute to 2002:d2e0:d624::2 (2002:d2e0:d624::2) from 2001:2f8:26:1801:6406:17ff:feee:e786, 30 hops max, 24 byte packets
 1  rise.mma.club.uec.ac.jp (2001:2f8:26:1801::ff)  2.098 ms  1.601 ms  1.651 ms
 2  v6gw.cc.uec.ac.jp (2001:2f8:26::1)  2.155 ms  2.193 ms  2.309 ms
 3  2001:2f8:26::2 (2001:2f8:26::2)  4.777 ms  3.525 ms  2.367 ms
 4  2001:2f8:1:1::5 (2001:2f8:1:1::5)  7.091 ms  7.423 ms  7.38 ms
 5  tokyo1-dc-R-AE-0-11-inet6.sinet.ad.jp (2001:2f8:0:217::1)  9.433 ms  9.304 ms  9.278 ms
 6  nyc-gate1-R-P-7-0-0-11-inet6.sinet.ad.jp (2001:2f8:0:22a::2)  201.188 ms  200.984 ms  205.737 ms
 7  2001:2f8:1:ff::e (2001:2f8:1:ff::e)  201.102 ms  201.109 ms  201.055 ms
 8  so-0-0-0.0.rtr.wash.net.internet2.edu (2001:468:ff:609::1)  206.298 ms  206.402 ms  212.484 ms
 9  beast-internet2-gi2-0-506.3rox.net (2001:5e8:0:fffd:0:2:2:1)  213.085 ms  214.232 ms  211.996 ms
10  bar-beast-ge-1-2-0-1.3rox.net (2001:5e8:0:1::1:f)  212.64 ms  219.924 ms  214.043 ms
11  6to4-bar-f4-0.3rox.net (2001:5e8:0:ffff:0:1:3:2)  212.658 ms  214.167 ms  212.371 ms
12  * * *

だからなんでニューヨークなのさ。。>SINET