Table 98 Subnet 2; Table 99 Subnet 3; Table 100 Subnet 4; Table 101 Eight Subnets - ZyXEL Communications ZyXEL NBG334SH User Manual

Appendix C IP Addresses and Subnetting

Table 98 Subnet 2

IP/SUBNET MASK
IP Address
IP Address (Binary)
Subnet Mask (Binary)
Subnet Address:
192.168.1.64
Broadcast Address:
192.168.1.127

Table 99 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 100 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 101 Eight Subnets

SUBNET
1
2
3
4
218
NETWORK NUMBER
192.168.1.
11000000.10101000.00000001.
11111111.11111111.11111111.
Lowest Host ID: 192.168.1.65
Highest Host ID: 192.168.1.126
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
LAST OCTET BIT
VALUE
64
01000000
11000000
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
ZyXEL NBG-334SH User's Guide