¿How can I use this information?

Neverwinter Nights 1 -> In Neverwinter Nights folder you can find a file named nwnplayer.ini, if you open this file you can add this IPs in [History Page] or [Favorites Page] section.

Neverwinter Nights 2 -> In My Documents at Neverwinter Nights 2 folder, you can find a file named nwnplayer.ini, if you open this file you can add this IPs in [History Page] or [Favorites Page] section.

When play the game in a multiplayer sesion you will find all servers in your History Page or Favorites Page.

NWN1 have a limitation, only can browse 20 servers at History Page and 30 servers at Favorites Page.

Server0=24.18.0.127:5121
Server1=107.203.169.177:5121
Server2=199.19.116.137:5121
Server3=66.68.13.29:5129
Server4=24.25.137.42:5121
Server5=schwerterkueste.dyndns.org:5121
Server6=85.155.96.26:5121
Server7=69.76.185.110:5121
Server8=kalimbur.dyndns.org:5121
Server9=nwn.game-host.org:5121
Server10=71.95.74.199:5121
Server11=203.26.94.26:5122
Server12=83.230.213.191:5121
Server13=80.30.46.197:5121
Server14=116.58.186.190:5121
Server15=116.58.186.190:5121
Server16=kymlun.com:5122:5122
Server17=84.243.255.52:5121
Server18=84.243.255.52:5122
Server19=203.26.94.26:5121
Server20=173.160.202.85:5121
Server21=68.75.99.161:5121
Server22=138.201.20.77:5123
Server23=50.147.4.63:5126
Server24=50.147.4.63:5124
Server25=50.147.4.63:5125
Server26=24.102.147.187:5121
Server27=99.123.184.178:5300
Server28=81.2.209.14:5121
Server29=67.183.251.62:5124
Server30=67.183.251.62:5121
Server31=204.44.91.38:5121
Server32=85.52.97.106:5121
Server33=marcaargentea.dyndns.org:5121
Server34=186.158.226.129:5121
Server35=62.151.65.207:5121
Server36=62.151.65.207:5122
Server37=188.165.220.135:5121
Server38=209.198.135.101:5121
Server39=50.4.214.182:5123
Server40=24.176.12.187:5121
Server41=82.208.14.122:29705
Server42=88.198.117.87:5121
Server43=88.198.48.250:5121
Server44=91.41.127.142:5121
Server45=50.173.134.255:5121
Server46=209.99.103.44:5129
Server47=64.15.70.106:5122
Server48=64.15.70.106:5121
Server49=legacyofthenorth.dyndns.info:5121
Server50=24.1.114.191:5121
Server51=24.213.145.112:5121
Server52=31.25.18.253:5121
Server53=217.172.224.10:5121
Server54=188.116.52.240:5121
Server55=188.252.0.68:5121
Server56=84.238.55.137:5121
Server57=67.193.105.148:5121
Server58=66.188.135.106:5121
Server59=64.15.69.198:5123
Server60=65.101.102.74:5121
Server61=107.22.175.109:5133
Server62=72.38.6.231:5124
Server63=68.188.178.154:5121
Server64=67.137.115.122:5121
Server65=122.108.77.64:5121
Server66=89.106.36.31:5250
Server67=173.30.66.199:5121
Server68=104.28.9.120:5121
Server69=31.132.2.110:5222