How long do ban's last

[Recon fml]

Earlier i was in a MM match and a person was spamming nades generally frustrating because not only did he seem to kill more friendly's then enemy's so i asked him kindly if he could stop (I heard most servers kick people for it anyway) Eventually he decided to get me kicked first one didnt pass second one did since him and about 3 other Rambo's voted for it to i was wondering how long do bans last or can a moderator let me back in (the main server was offline so i want onto a smaller one)

[Recon fml]

Also if anyone knows the admins of that server europe something it was called (not the 22nd one) you know how to reach them?

[Venitius]

EU_Beaver_Test? Well, I'm an admin there and I've no idea how to reverse bans... but if they were polled bans then it should merely last 30 minutes.

[Bite Me]

bans by admin=forever vote bans are half an hour i think.