The IP addresses have all changed. We will be updating this list once everything settles down. If you need a traceroute/Ping Plotter IP address to use, then use 71.252.137.149, for the moment.
Axis vs Allies, Dueling, Early, Mid, Late: ---
All WW1 Dogfight Arenas, Training: ---
Special Events: ---
Custom Arenas: ---
The current port range for all arenas in Aces High is 2000-7000, inclusive, for UDP and TCP. Aces High will use a random subset of those ports for all online play.
This is from the locked thread just a few above your post. Why they change and when I don't know, but the ones listed in that thread are the ones I use.