ZyXEL G-570U User’s Guide
Appendix D IP Subnetting
151
The following table shows class C IP address last octet values for each subnet.
The following table is a summary for class “C” subnet planning.
Subnetting With Class A and Class B Networks.
For class “A” and class “B” addresses the subnet mask also determines which bits are part of
the network number and which are part of the host ID.
A class “B” address has two host ID octets available for subnetting and a class “A” address has
three host ID octets (see
) available for subnetting.
Table 50
Eight Subnets
SUBNET
SUBNET ADDRESS FIRST ADDRESS
LAST ADDRESS
BROADCAST
ADDRESS
1
0
1
30
31
2
32
33
62
63
3
64
65
94
95
4
96
97
126
127
5
128
129
158
159
6
160
161
190
191
7
192
193
222
223
8
224
225
254
255
Table 51
Class C Subnet Planning
NO. “BORROWED” HOST
BITS
SUBNET MASK
NO. SUBNETS
NO. HOSTS PER
SUBNET
1
255.255.255.128 (/25)
2
126
2
255.255.255.192 (/26)
4
62
3
255.255.255.224 (/27)
8
30
4
255.255.255.240 (/28)
16
14
5
255.255.255.248 (/29)
32
6
6
255.255.255.252 (/30)
64
2
7
255.255.255.254 (/31)
128
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Summary of Contents for G-570U
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Page 7: ...ZyXEL G 570U User s Guide Safety Warnings 7 This product is recyclable Dispose of it properly...
Page 18: ...ZyXEL G 570U User s Guide 18 List of Figures...
Page 36: ...ZyXEL G 570U User s Guide 36 Chapter 2 Management Computer Setup...
Page 48: ...ZyXEL G 570U User s Guide 48 Chapter 3 Introducing the Web Configurator...
Page 56: ...ZyXEL G 570U User s Guide 56 Chapter 5 System Screen...
Page 92: ...ZyXEL G 570U User s Guide 92 Chapter 6 Wireless Screens...
Page 114: ...ZyXEL G 570U User s Guide 114 Appendix A Product Specifications...
Page 144: ...ZyXEL G 570U User s Guide 144 Appendix C Wireless LANs...