Compaq 222863-001 TaskSmart W2200 Administration Guide - Page 111

Table B-1, Class-Based Subnets, Class, Subnet Host, Range, Networks, Hosts, Decimal, Binary

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Networking Basics B-7 Total 8 bits 8 bits 8 bits 8 bits Class A 0 7 bits 24 bits Class B 1 0 14 bits 16 bits Class C 1 1 0 21 bits 8 bits Figure B-4. Address class division An IP address is divided into two parts: networks and hosts. The left-most part of the address denotes the network. The right-most part of the address denotes the host address on the network. The subnet mask denotes which part of the IP address responds to the network and which part of the IP address represents the unique host on the network. See Table B-1 for examples of addresses that are broken into networks and the number of devices that each can support. Class Subnet Host Range A 1.0.0.1-126 through 255.255.254 Networks 254 Table B-1 Class-Based Subnets Hosts Decimal Mask 4,294,967,295 255.0.0.0 (8-bits) Binary 11111111000000000000000000000000 B 128.0.0.1 through 65,535 191.255.255.254 65,535 255.255.0.0 (16-bits) 11111111111111110000000000000000 C 192.0.0.1 through 4,294,967,295 254 223.255.255.254 255.255.255.0 11111111111111111111111100000000 (24-bits)

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Networking Basics
B-7
8 bits
8 bits
8 bits
8 bits
Total
7 bits
24 bits
Class A
14 bits
16 bits
Class B
8 bits
Class C
0
1
1
1
0
0
21 bits
Figure B-4.
Address class division
An IP address is divided into two parts: networks and hosts. The left-most part
of the address denotes the network. The right-most part of the address denotes
the host address on the network. The subnet mask denotes which part of the IP
address responds to the network and which part of the IP address represents
the unique host on the network. See Table B-1 for examples of addresses that
are broken into networks and the number of devices that each can support.
Table B-1
Class-Based Subnets
Class
Subnet Host
Range
Networks
Hosts
Decimal
Mask
Binary
A
1.0.0.1-126
through
255.255.254
254
4,294,967,295
255.0.0.0
(8-bits)
11111111000000000000000000000000
B
128.0.0.1 through
191.255.255.254
65,535
65,535
255.255.0.0
(16-bits)
11111111111111110000000000000000
C
192.0.0.1 through
223.255.255.254
4,294,967,295
254
255.255.255.0
(24-bits)
11111111111111111111111100000000