Friday 8 February 2013

Printer IP Address

How can I assign IP addresses properly?

  • The Internet Protocol address is a unique number that represents a specific computer in a network. Format of the IP Address is four numbers separated by dots, e.g. 192.168.110.171. Each number should be decimal of 0 through 255.

  • The IP address is compiled from network ID + user ID. This results in three different IP address classes. Representing the network ID as n and the user ID as u, each class has the following attributes:

Class IP Addressing First Segment Range Application Number of Networks Number of Users
A n.u.u.u 0<127 Large scale network 126 16,777,214
B n.n.u.u 128<191 Mid scale network 16,384 65,634
C n.n.n.u 192<223 Small network 2,097,150 254

For example, in a class C network, you can assign an IP address as 192.168.40.1.

  • Devices having IP addresses with different network IDs (n above) cannot communicate even when they are in the same network segment.

Following is an example of a Class C IP network with 3 computers and 1 IB-21E/IB-22 printer:

Computer A 192.168.40.1
Computer B 192.168.40.2
Computer C 192.168.40.10
IB-21E/IB-22 printer 192.168.40.20

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