3Com 3C421600A Reference Manual page 250

250 A C: A
PPENDIX DRESSING
6 110nnnnn.nnnnnnnn.nnnnnnnn.sssssshh
Class D 1110xxxx.xxxxxxxx.xxxxxxxx.xxxxxxxx
Future 11110xxx.xxxxxxxx.xxxxxxxx.xxxxxxxx
All 1s 11111111.11111111.11111111.1111111
1
All 0s 00000000.00000000.00000000.0000000
0
0 = binary 0 1 = binary 1
S
CHEMES
n = network bits h = host bits
255.255.255.25 FF-FF-FF-FC
2
s = subnet bits
62 2
x = other