Dear Blizzard:

The lag situation was happened at least 2 weeks long, and
it seems the great you still not aware about this problem.

The attached log is my tracert record, hope it will help you
to figure out where is the bottleneck.

To AH server:
1 20 ms 20 ms 20 ms h254.s98.ts.hinet.net [168.95.98.254]
2 20 ms 20 ms 20 ms TPN2-3301.hinet.net [168.95.162.2]
3 24 ms 23 ms 24 ms TPDT-3011.hinet.net [220.128.3.122]
4 20 ms 20 ms 21 ms r4102-s2.tp.hinet.net [220.128.7.149]
5 20 ms 20 ms 20 ms 220-128-31-9.HINET-IP.hinet.net [220.128.31.9]
6 172 ms 148 ms 148 ms r12-pa.us.hinet.net [211.72.108.221]
7 150 ms 150 ms 150 ms 12.250.31.5
8 162 ms 164 ms 164 ms cr1.sffca.ip.att.net [12.122.137.182]
9 166 ms 163 ms 164 ms cr1.la2ca.ip.att.net [12.122.3.122]
10 161 ms 161 ms 161 ms gar20.la2ca.ip.att.net [12.122.128.181]
11 165 ms 173 ms 162 ms 12-122-254-234.attens.net [12.122.254.234]
12 162 ms 162 ms 162 ms mdf001c7613r0004-gig-10-1.lax1.attens.net [12.129.193.250]
after this, each hop are timeout.

To game server: 12.130.245.109
1 20 ms 21 ms 20 ms h254.s98.ts.hinet.net [168.95.98.254]
2 58 ms 21 ms 20 ms TPN2-3301.hinet.net [168.95.162.2]
3 28 ms 32 ms 21 ms TPDT-3011.hinet.net [220.128.3.122]
4 25 ms 20 ms 20 ms r4102-s2.tp.hinet.net [220.128.7.157]
5 20 ms 20 ms 20 ms 220-128-31-9.HINET-IP.hinet.net [220.128.31.9]
6 150 ms 150 ms 149 ms r12-pa.us.hinet.net [211.72.108.205]
7 152 ms 153 ms 152 ms 12.250.31.5
8 164 ms 167 ms 165 ms cr1.sffca.ip.att.net [12.122.137.182]
9 228 ms 167 ms 168 ms cr1.la2ca.ip.att.net [12.122.3.122]
10 163 ms 163 ms 163 ms gar20.la2ca.ip.att.net [12.122.128.181]
11 163 ms 163 ms 163 ms 12-122-254-234.attens.net [12.122.254.234]
12 162 ms 163 ms 162 ms mdf001c7613r0002.lax1.attens.net [206.16.68.54]
after this, each hop are timeout.