What is an IP Address (Part1)
- some basic information about IP address- what the IP address look like?
- what is the different between private and public ip address ?
What is an IP Address ( easy definition )
- IP address ( Internet Protocol address )
- every device must have a unique IP address
- it is used to identify your computer or device on your network or to the internet and to allow a host on one network to communicate with a host on a different network
IP address Versions
1- IPv4 (IP version 4)
It consists from 32 bits . ex : 192.168.1.1
2- IPv6 (IP version 6)
It consists from 128 bits . ex : 2001:db8:0:1234:0:567:8:1
What is an IP Address ( advanced definition )
When talking about IP address in general ,it refers to IPv4.
An IP address consists of 32 bits of information. These bits are divided into four sections ( octet ) or ( bytes )
IP address version 4 = 32 bits = 4 bytes = 4 octet
An IP address consists of 32 bits of information. These bits are divided into four sections ( octet ) or ( bytes )
IP address version 4 = 32 bits = 4 bytes = 4 octet
Bit = One digit; either a 1 or 0
Byte = 8 bits
Octet = 8 bits. Base-8 addressing scheme
IPv4 addresses are represented in : -
1- dot-decimal notation
2- Binary
IP addresses types :-
There are 2 types of IP addresses
1- Public addresses – routable addresses
1- Public addresses – routable addresses
- It is assigned by your Internet Service Provider (ISP) and you can not control it
- not free (you must pay for this service to your ISP)
- you can not access the internet without having one
2- Private addresses – non routable addresses – network address
- It is used to communicate between networked devices, like pc's , routers or mobile devices
- free
- you can not access the internet with this IP address
see also : what is the IP address? (part2 ) to know more
see also : DHCP
check this video to know your IP address