IP address
An Internet Protocol address (IP address) is a
numerical label assigned to each device (e.g., computer, printer) participating
in a computer network that uses the Internet Protocol for communication. An IP
address serves two principal functions: host or network interface identification
and location addressing.
There are two versions of IP addresses
IPv-4
- · It is not compatible with security
- · It is 32-bit address
- · The address is divided into four equal octets and separated by dot(.)
- · In this version the value is put in decimal form (0 to 9)
- · Total IP address range is from 0 to 255
IPv-6
- · This version is compatible with security
- · It is 128-bit address
- · It is divided into eight groups and separated with colon(:)
- · In this version of IP address value is put in hexadecimal form (0 to F)
· The range of this version IP address is
infinity
Classes of IP address are:
- Class A: Range (0 to 126)
- Class B: Range (128 to 191)
- Class C: Range (192 to 223)
- Class D: Range (224 to 239)
Special Ip Addresses
127.0.0.0 to
127.255.255.255:
·
This is also
called as LOOP BACK IP address
·
It is used for
testing purpose in the local system. In other words loop back IP address is
specially used for TCP/IP check and other require for self device checking in
the computer and mobile network.
Private Ip Address
It is also called as free of cost IP
address which is used to create personal network without any permission of ISP
for local communication purpose.
Range According To Class Of Ip Address
Class A- 10.0.0.0 to 10.255.255.255
Class B- 169.254.0.0 to
169.254.255.255
172.16.0.0 to 172.31.255.255
Class C- 192.168.0.0 to
192.168.255.255
Class A 10.0.0.0
Subnet Mask 255.0.0.0
Class B 172.16.0.0
Subnet Mask 255.255.0.0
Class C 192.168.0.0
Subnet Mask 255.255.255
These are least number of IP’s in
Class C because all the other octets are filled except one and it is preferred
the most.
Public Ip Address
It is also called as paid IP address,
registered IP address, real IP address, Unique IP address, live IP address and
internet IP address which is used for webpage hosting purpose on the internet
and also used for creating public network by using specific public Ip address
within a WAN.
Class A
1.0.0.0 to 1.255.255.255
2.0.0.0 to 2.255.255.255
---------------------------> 126.0.0.0 to 126.255.255.255
Class B
128.0.0.0 to 128.255.255.255
129.0.0.0 to 129.255.255.255--------------------------->169.0.0.0
to 169.253.255.255
170.0.0.0 to 170.255.255.255--------------------------->172.0.0.0
to 172.15.255.255
191.0.0.0 to 191.255.255.255.
Class C
192.0.0.0 to 192.167.255.255
192.169.0.0 to 192.169.255.255--------------------------->223.0.0.0
to 223.255.255.255
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