Everyone should be aware about what is an IP address in Computer networks. IP stand for Internet Protocol. IP(Internet protocol) address is an logical address which is provide unique identification to our computer. It is used to communicate with other device in network. The IP (v4) used 32-bit numeric address divided in to 4 equal part each part known as octed separated with (.), The IP address can be 0 to 255 .
What is an IP Address
There are Two way to assign IP Address on the Computer
1. Static IP Address
Static IP address are the Address which is Manually assign to the each and every Computer by System Admimistrator.
2. Dynamic IP Address
Dynamic IP Address Assign by DHCP ( Dynamic host Configure Protocol) to the Computer there is no need to provide Manually to and Every Computer. There is need to configure Dynamic server within your local area network.
IP address divided in to 5 classes .
|Class A||0 – 126|
|Class B||128 – 191|
|Class C||192 – 223|
|Class D||224 – 239|
|Class E||240 – 255|
(127 reserved for Loop back test)
Class A NID HID HID HID
Subnet mask 255 0 0 0
Class B NID NID HID HID
Subnet mask 255 255 0 0
Class C NID NID NID HID
Subnet mask 255 255 255 0
NID – (Network ID ) NO change , Represent with 1.
HID – (Host ID ) Changeable , represent with 0.
Subnet mask– It is used to represent no of host bit and no of Network bit
There Are Two Types Of IP Address – Public IP Address & Private IP address
Private IP Address are used for Local Area Network. and Public IP Address Used for Internet and Word Wide Area Network .