Here are a few public servers that run Promod:

Germany
IP: 212.224.69.41:28960 -> Necroraisers PUBLIC TDM server || PROMOD 2.0.0 || http://www.Bouncer4you.de

IP: 85.131.247.21:28960 -> eSuba.HAL3000 PROMOD Final TEAM-DEATHMATCH server v1.7 by professional-gameserver.com

IP: 212.224.66.44:28960 -> TEK9 Networks TDM by http://www.Bouncer4You.de

IP: 85.190.6.147:28960 -> Nubcake.UNITED vs. Rake [PROMOD 2.0]

The Netherlands
IP: 85.17.181.2:29900 -> eSuba.HAL3000 PROMOD Final DEATHMATCH server v1.7 by X3Mservers.net

United Kingdom
IP: 85.236.101.47:28960 -> Multiplay.co.uk :: Infused Public Promod

IP: 85.236.101.99:29360 -> Multiplay.co.uk :: Dignitas Promod Beta Server (UK)

IP: 193.33.186.205:28960 -> Supergirls Public| Latest PROMOD | Lo3servers.co.uk

Denmark
IP: 194.255.101.11:32960 -> Game-Hosting.com: Roskilde Ravens TDM

Australia
IP: 203.88.125.2:28001 -> Team Immunity Public DM [PROMOD]

IP: 203.88.125.2:28002 -> Team Immunity Public DM 2 [PROMOD]

Italie
IP: 194.177.98.7:28969 -> inferno eSports Public TDM server || PROMOD 2.0 || www.n1ping.net

Hungary
IP: 84.2.39.219:28960 -> REVOLUTIONEA.COM tdm PUBLIC || PROMOD 2.0