How much ram is needed for a Attack of the B-team server (Minecraft mod-pack)?

I'm considering opening a server to run the attack of the b team mod pack for me and a few of my friends to play on. I'm going to use a hosting company, but I don't know how much ram is needed to have a stable server. This is a minecraft mod-pack.

Guest

I run a smooth server on my own home computer using 4 - 5 gig. I think this is the right amount of ram especially since attack of the b team only has about 118 mods i think running. There's usually 10 - 15 people connecting to it at any one time too.

So given that i would recommend 4 - 5 gig max.

Hope this helped

GamerAddict