Here is a thread that has been ongoing, about the poor AT&T routing to Deathwing, from the Western U.S., causing high ping/latency:
http://forums.worldofwarcraft.com/thread.html?topicId=2517893495&sid=1
Here are some pings to the jump off points for various servers, demonstrating just how bad the AT&T routing is up to Blizzard/Deathwing, compared to other servers:
First is Public Test Realm:
C:\1111>ping -n 20 12.129.193.242
Pinging 12.129.193.242 with 32 bytes of data:
Reply from 12.129.193.242: bytes=32 time=25ms TTL=242
Reply from 12.129.193.242: bytes=32 time=31ms TTL=242
Reply from 12.129.193.242: bytes=32 time=21ms TTL=242
Reply from 12.129.193.242: bytes=32 time=20ms TTL=242
Reply from 12.129.193.242: bytes=32 time=20ms TTL=242
Reply from 12.129.193.242: bytes=32 time=19ms TTL=242
Reply from 12.129.193.242: bytes=32 time=20ms TTL=242
Reply from 12.129.193.242: bytes=32 time=19ms TTL=242
Reply from 12.129.193.242: bytes=32 time=21ms TTL=242
Reply from 12.129.193.242: bytes=32 time=17ms TTL=242
Reply from 12.129.193.242: bytes=32 time=22ms TTL=242
Reply from 12.129.193.242: bytes=32 time=20ms TTL=242
Reply from 12.129.193.242: bytes=32 time=23ms TTL=242
Reply from 12.129.193.242: bytes=32 time=18ms TTL=242
Reply from 12.129.193.242: bytes=32 time=21ms TTL=242
Reply from 12.129.193.242: bytes=32 time=18ms TTL=242
Reply from 12.129.193.242: bytes=32 time=21ms TTL=242
Reply from 12.129.193.242: bytes=32 time=19ms TTL=242
Reply from 12.129.193.242: bytes=32 time=20ms TTL=242
Reply from 12.129.193.242: bytes=32 time=23ms TTL=242
Ping statistics for 12.129.193.242:
Packets: Sent = 20, Received = 20, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 17ms, Maximum = 31ms, Average = 20ms
Secondly is Ursin:
C:\1111>ping -n 20 63.241.193.14
Pinging 63.241.193.14 with 32 bytes of data:
Reply from 63.241.193.14: bytes=32 time=53ms TTL=239
Reply from 63.241.193.14: bytes=32 time=51ms TTL=239
Reply from 63.241.193.14: bytes=32 time=53ms TTL=239
Reply from 63.241.193.14: bytes=32 time=54ms TTL=239
Reply from 63.241.193.14: bytes=32 time=53ms TTL=239
Reply from 63.241.193.14: bytes=32 time=52ms TTL=239
Reply from 63.241.193.14: bytes=32 time=51ms TTL=239
Reply from 63.241.193.14: bytes=32 time=53ms TTL=239
Reply from 63.241.193.14: bytes=32 time=62ms TTL=239
Reply from 63.241.193.14: bytes=32 time=67ms TTL=239
Reply from 63.241.193.14: bytes=32 time=52ms TTL=239
Reply from 63.241.193.14: bytes=32 time=51ms TTL=239
Reply from 63.241.193.14: bytes=32 time=51ms TTL=239
Reply from 63.241.193.14: bytes=32 time=50ms TTL=239
Reply from 63.241.193.14: bytes=32 time=51ms TTL=239
Reply from 63.241.193.14: bytes=32 time=55ms TTL=239
Reply from 63.241.193.14: bytes=32 time=54ms TTL=239
Reply from 63.241.193.14: bytes=32 time=65ms TTL=239
Reply from 63.241.193.14: bytes=32 time=50ms TTL=239
Reply from 63.241.193.14: bytes=32 time=50ms TTL=239
Ping statistics for 63.241.193.14:
Packets: Sent = 20, Received = 20, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 50ms, Maximum = 67ms, Average = 53ms
Lastly DeathPing:
C:\1111>ping -n 20 12.130.0.174
Pinging 12.130.0.174 with 32 bytes of data:
Reply from 12.130.0.174: bytes=32 time=98ms TTL=233
Reply from 12.130.0.174: bytes=32 time=101ms TTL=233
Reply from 12.130.0.174: bytes=32 time=100ms TTL=233
Reply from 12.130.0.174: bytes=32 time=106ms TTL=233
Reply from 12.130.0.174: bytes=32 time=101ms TTL=233
Reply from 12.130.0.174: bytes=32 time=104ms TTL=233
Reply from 12.130.0.174: bytes=32 time=97ms TTL=233
Reply from 12.130.0.174: bytes=32 time=104ms TTL=233
Reply from 12.130.0.174: bytes=32 time=100ms TTL=233
Reply from 12.130.0.174: bytes=32 time=101ms TTL=233
Reply from 12.130.0.174: bytes=32 time=99ms TTL=233
Reply from 12.130.0.174: bytes=32 time=97ms TTL=233
Reply from 12.130.0.174: bytes=32 time=97ms TTL=233
Reply from 12.130.0.174: bytes=32 time=95ms TTL=233
Reply from 12.130.0.174: bytes=32 time=96ms TTL=233
Reply from 12.130.0.174: bytes=32 time=95ms TTL=233
Reply from 12.130.0.174: bytes=32 time=94ms TTL=233
Reply from 12.130.0.174: bytes=32 time=95ms TTL=233
Reply from 12.130.0.174: bytes=32 time=97ms TTL=233
Reply from 12.130.0.174: bytes=32 time=100ms TTL=233
Ping statistics for 12.130.0.174:
Packets: Sent = 20, Received = 20, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 94ms, Maximum = 106ms, Average = 98ms
PTR = Average ping - 20ms, very fast!
Ursin = Average ping - 53ms, decent/acceptable
DeathPing = Average - 98ms, nearly twice as high as Ursin, and 5 times as high as PTR.
It's because of AT&T's outdated routing, which is documented in the thread above.
This wouldn't be so much of a concern if it were just www. content from a web server, but this is sustained bidirectional data transfer for a computer game.
The excessive hopping + lack of performance of the hops, is unacceptable/inappropriate for that purpose.