Local : 3 sub-boards
DOVE-Net : 19 sub-boards
SciNet : 15 sub-boards
fsxNet : 14 sub-boards
FidoNet : 56 sub-boards
MicroNet : 11 sub-boards
SFnet : 33 sub-boards
RetroNet : 18 sub-boards
HobbyNet : 28 sub-boards
WeedNet : 8 sub-boards
MetroNet : 8 sub-boards
tqwNet : 16 sub-boards
LinuxNet : 11 sub-boards