WIRELESS NETWORK IP CAMERA User’s Guide D. Utilizing IP Addresses on Local Network Access to the Internet is achieved via Internet IP addresses. Currently, IP addresses are limited.
There are 5 classes of networks, and each network contains IP addresses. A network can only hold a
limited number of IP addresses. The number of IP addresses depends on the network class. The 5
classes are labeled “A” through “E” with the most common one being the “C” class network.
1. IP Construction
(xxx: 0-255)
X1 X2 X3 X4 e.g. 192.168.1.1
2. Network Class
A Class : A network that contains IP addresses from 0 to 127 at room ‘X1”
Network ID: X1
Host ID: X2, X3, X4
There are 128 A-Class networks in the world.
B Class: A network that contains IP addresses from 0 to 127 at room ‘X1”
Network ID: X1, X2
Host ID: X3, X4
There are 65, 534 B-Class networks in the world.
C Class: A network that contains IP addresses from 192 to 223 at room ‘X1’.
Network ID: X1, X2, X3
Host ID: X4
The most common network in the world; there are 2,097,152 C-class networks in the world.
D Class: A network that contains IP addresses from 224 to 239 at room ‘X1’. D-class networks
are used for multicasting, and are not allowed for common use.
E Class: A network that contains IP addresses from 240 to 255 at room ‘X1’. E-class network are
reserved.
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xxx xxx xxx xxx