Local : 5 sub-boards
AdventureNet : 50 sub-boards
Agoranet : 8 sub-boards
AmigaNet : 20 sub-boards
CombatNet : 8 sub-boards
CommodoreNet : 14 sub-boards
CSCN : 34 sub-boards
DevNet : 26 sub-boards
DoRENET : 15 sub-boards
DOVE-Net : 19 sub-boards
FamilyNet : 441 sub-boards
Fidonet : 563 sub-boards
FSXNET : 14 sub-boards
GameNet : 30 sub-boards
GatorNet : 44 sub-boards
HobbyNet : 21 sub-boards
ILink : 81 sub-boards
JustaXnet : 36 sub-boards
LinuxNet : 87 sub-boards
MetroNet : 8 sub-boards
Micronet : 9 sub-boards
MusicalNet : 28 sub-boards
PascalNet : 30 sub-boards
PiNet : 4 sub-boards
Rmininet : 194 sub-boards
RetroNet : 21 sub-boards
SciNet : 15 sub-boards
SpookNet : 30 sub-boards
SportsNet : 16 sub-boards
StarNet : 16 sub-boards
SurvNet : 7 sub-boards
Sysops TechNet : 37 sub-boards
VKRadio : 8 sub-boards
Whisper-Echo-Net : 32 sub-boards
ZENet : 18 sub-boards