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Table 118 Subnet 3
IP/SUBNET MASK
IP Address
IP Address (Binary)
Subnet Mask (Binary)
Subnet Address:
192.168.1.128
Broadcast Address:
192.168.1.191
Table 119 Subnet 4
IP/SUBNET MASK
IP Address
IP Address (Binary)
Subnet Mask (Binary)
Subnet Address:
192.168.1.192
Broadcast Address:
192.168.1.255
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 120 Eight Subnets
SUBNET
1
2
3
4
5
6
7
8
P-794H User's Guide
NETWORK NUMBER
192.168.1.
11000000.10101000.00000001.
11111111.11111111.11111111.
Lowest Host ID: 192.168.1.129
Highest Host ID: 192.168.1.190
NETWORK NUMBER
192.168.1.
11000000.10101000.00000001
.
11111111.11111111.11111111
.
Lowest Host ID: 192.168.1.193
Highest Host ID: 192.168.1.254
SUBNET
FIRST ADDRESS
ADDRESS
0
1
32
33
64
65
96
97
128
129
160
161
192
193
224
225
Appendix D IP Addresses and Subnetting
LAST OCTET BIT
VALUE
128
10000000
11000000
LAST OCTET BIT
VALUE
192
11000000
11000000
LAST
BROADCAST
ADDRESS
ADDRESS
30
31
62
63
94
95
126
127
158
159
190
191
222
223
254
255
273
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