ZyXEL Communications MWR211 - V1.0 Manual page 239

Example: Eight Subnets
Similarly, use a 27-bit mask to create eight subnets (000, 001, 010, 011, 100,
101, 110 and 111).
The following table shows IP address last octet values for each subnet.
Table 88 Eight Subnets
SUBNET
SUBNET
ADDRESS
1 0
2 32
3 64
4 96
5 128
6 160
7 192
8 224
Subnet Planning
The following table is a summary for subnet planning on a network with a 24-bit
network number.
Table 89 24-bit Network Number Subnet Planning
NO. "BORROWED"
HOST BITS
1
MWR211 User's Guide
FIRST ADDRESS
1
33
65
97
129
161
193
225
SUBNET MASK
255.255.255.128 (/25)
239
LAST
ADDRESS
30
62
94
126
158
190
222
254
NO. NO. HOSTS PER
SUBNETS SUBNET
2 126
BROADCAST
ADDRESS
31
63
95
127
159
191
223
255