The document discusses public and private IP addresses. It explains that IP is the communication protocol that defines the rules for computers to communicate over the internet using IP addresses. Each computer and packet of data must have a unique IP address. Private IP addresses are used for internal networks and cannot access the public internet directly, requiring a router. Static IP addresses assign computers a fixed IP address that never changes each time they connect.

1. PUBLIC AND STATIC IPPUBLIC AND STATIC IP
BY SAFIULLAHBY SAFIULLAH

2. IPIP
►The internet protocol is the method orThe internet protocol is the method or
protocol by which data is sent from oneprotocol by which data is sent from one
computer to another computer on thecomputer to another computer on the
internetinternet

3. IPIP
►IP is the communication protocol for theIP is the communication protocol for the
internet.internet.
►IP defines the rules computers must followIP defines the rules computers must follow
to communicate with each other over theto communicate with each other over the
internet.internet.

4. IPIP
►Allows computers on different networksAllows computers on different networks
to communicate with each other.to communicate with each other.

5. Browsers and ServersBrowsers and Servers
► Browsers and serversBrowsers and servers
use to connect to theuse to connect to the
Internet.Internet.
► A browser uses IP toA browser uses IP to
access a server.access a server.

6. IP AddressingIP Addressing
►Each computer must have an IP addressEach computer must have an IP address
before it can connect to the Internet.before it can connect to the Internet.
►Each IP packet must have an addressEach IP packet must have an address
before it can be sent to another computer.before it can be sent to another computer.

7. TYPES OF IPTYPES OF IP

8. Public/Private IP addressingPublic/Private IP addressing
 Computers on private LANs do not need aComputers on private LANs do not need a
public IP addresses, since they do not need topublic IP addresses, since they do not need to
be accessed by the public.be accessed by the public.
 Therefore, certain addresses that will never beTherefore, certain addresses that will never be
registered publicly are reserved. These areregistered publicly are reserved. These are
known as private IP addresses, and are foundknown as private IP addresses, and are found
in the following ranges:in the following ranges:
 From 10.0.0.0 to 10.255.255.255From 10.0.0.0 to 10.255.255.255
From 172.16.0.0 to 172.31.255.255From 172.16.0.0 to 172.31.255.255
From 192.168.0.0 to 192.168.255.255From 192.168.0.0 to 192.168.255.255

9. Public/Private IP addressingPublic/Private IP addressing
►Devices with private IP addresses cannotDevices with private IP addresses cannot
connect directly to the Internetconnect directly to the Internet
►Computers outside the network cannotComputers outside the network cannot
access devices with a private IP address.access devices with a private IP address.
►Access must be obtained through a router.Access must be obtained through a router.

10. Static IP addressingStatic IP addressing
► A static IP address isA static IP address is
where the computerswhere the computers
are given a fixed IPare given a fixed IP
address that neveraddress that never
changes.changes.
► The computer alwaysThe computer always
keeps the samekeeps the same
address every time itaddress every time it
connects to theconnects to the
Internet.Internet.

11. THANK
YOU
FOR
THANK
YOU
FOR
LISTENING
LISTENING