Event server:
27.50.71.17:27015

And as a special bonus, a server running MvM until November 1st:
27.50.71.191:27015

This is just a reminder to the regular players of the CP, PL, and SD servers that the IPs have been changed. Please update your favorites accordingly!
(New players are welcome to favorite the servers, too!)

hat's Team Fortress 2 - Control Points
27.50.71.25:27015

hat's Team Fortress 2 - Payload
27.50.71.176:27017

hat's TF2 - Doomsday server
27.50.71.17:27015

hat's TF2 - MvM
27.50.71.191:27015

In addition to this, hat's has affiliated with GreaseWiz and CoolJosh of OPuGs to promote new players to the competitive scene. If this sounds like the kind of thing you dig, you should join their Steam group, as they regularly schedule events.
hat's TF2 - OPuGs PuGs
http://gtm.steamproxy.vip/groups/oceanicpugs

Furthermore, OPuGs has an Arena server for you to enjoy:

hat's TF2 - Arena Server
119.252.190.72:28069

The servers are the same, but the IPs are different.

CP: 27.50.71.25:27015
PL: 27.50.71.176:27017
SD: 27.50.71.17:27015

Be sure to update your favorites accordingly, and as always, I apologize for the inconvenience! Let me know of any issues you face by contacting me via Steam or email: interrob@hat-tf2.com

For those who may have missed it, hat's TF2 is running a trial server with no random crits and no spread.
You can find the server here: 203.217.24.71:27015

So if you're interested in such a server, make sure you try it out!

Map rotation is:
Gravel pit
Granary
Badlands
Yukon
Freight
Gullywash
Foundry
Lakeside

Playing on request:
Snakewater
Warmfront
Ashville
Process
Swiftwater (UGC)

You may pre-load the custom maps from this directory: http://www.hat-tf2.com/maps/

For being the master of all things beard-related, krumpet is the player of the week—and, as a fitting trophy, he has been awarded with the All Father.