IP Address in Computer Networks
What is IP Address in Computer Networks?
IP Address is the logical address assigned to a device on a network for identification purpose. The IP address uniquely identifies computers on a TCP/IP network.
- IP version 4
- Private IP Address
- Public IP Address
- Static IP Address
- Dynamic IP Address
- IP version 6
IP Version 4
IP version 4 is a 32 bit addressing system. The 32 bits are divided as 4 octets of 8 bits each.In IPv4 the ip address is categorized as Class A, Class B, Class C, Class D,Class E.
10.20.20.33 - Class A
126.96.36.199 – Class B
192.168.20.1 – Class C
Private IP Address vs Public IP Address
Private IP address is for use on a local area network (LAN) . Public IP address is for use on a public network like internet.
Static IP Address vs Dynamic IP Address
In static IP address assigning the IP address is assigned by a system administrator.The IP address is asssigned dynamically by another device on the network on demand.
IP Version 6
The newer IPv6 is a 128 bit addressing system. The new address space thus supports 2 power 128 addresses. The IPv6 addresses are represented by eight groups of four hexadecimal digits, where each group is separated by a colon (:).
6002:0dc8:85b3:0000:0000:8c2d:0480:8445 is an example for IPv6 address.