Turns out it's Cox, they are aware of it and are currently working on it:

WestDNS ServicesSome customers may be experiencing a slow connection to the World of WarCraft game site.Our technicians are aware of the issue and are working to resolve it as quickly as possible. Currently, there is no estimated time of repair. 3/17/2008 6:39:05 PM3/17/2008 6:36:14 PM


So it's just a wait and see, dam and I thought it was all that WoW porn I was downloading, oh wait did I say that! LOL