Monday, December 10, 2018

What is a network or IP address?

NETWORK ADDRESS

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NETWORK ADDRESS- It is more commonly known as "IP address"


 What does Network Address mean?

Network address is any logical or physical address that uniquely distinguishes a network node or device over a computer or telecommunications network. It is a numeric/symbolic number or address that is assigned to any device that seeks access to or is part of a network.


Network address it is the numeric address of a computer connected to the network. 

Is a set of numbers called a "octets" or "dotted decimal" notation, that identifies any network device.
                                                   ex.  → 172.16.254.1

IP - INTERNET PROTOCOL
ex. → 192.168.1.1


A network address is a key networking technology component that facilitates identifying a network node/device and reaching a device over a network. It has several forms, including the Internet Protocol (IP) address, media access control (MAC) address and host address. It

Computers on a network use a network address to identify, locate and address other computers. Besides individual devices, a network address is typically unique for each interface; for example, a computer's Wi-Fi and local area network (LAN) card has separate network addresses.

A network address is also known as the numerical network part of an IP address. This is used to distinguish a network that has its own hosts and addresses. For example, in the IP address 192.168.1.0, the network address is 192.168.1.


A network address is an identifier for a node or host on a telecommunications network. Network addresses are designed to be unique identifiers across the network, although some networks allow for local, private addresses or locally administered addresses that may not be unique.[1] Special network addresses are allocated as broadcast or multicast addresses. These too are not unique.

The network address is the first address in a range of IP addresses and is used to communicate with all network devices on a particular network. The network address contains zeroes in the host portion of the IP address.


The network address is important to network equipment, to routers and to routing. Network addresses are used to represent destination networks in routing table.


IP VERSIONS

1. IPv4 - IP Version 4
-Is the standard version
2. IPv6 - IP Version 6
-Is the advance version


An IPv4 address (dotted-decimal notation)
        172        -       16       -      254        -     1 
           ↓                   ↓                  ↓               ↓
10101100         00010000     11111110     00000001
       ↓                        ↓                  
one byte              Eight bits
      ↓                          ↓                   ↓                 ↓
Thirty- two (4x8) or 4 bytes



128   64  32  16  8  4  21 


CLASSES OF IP ADDRESS

192.168.1.1 - CLASS C

CLASS A - 1 to 126
CLASS B - 128 to 191
CLASS C - 192 to 226
CLASS D - 224 to 239
CLASS E - 245 to 255


Note: 

127- loop back function of a network 
CLASS D - Is for multiplications 
CLASS E - Reserved for future or experiment purposes.



100.168.2.1 
example of Class A IP address

190.3.0.1
example of Class B IP address

CREATING IP ADDRESS 
1. Right click "My Network Pences"
2.Click "Properties"
3. Right Click " Local Area Connection"
4. Click "Properties"
5. Click "TCP/ IP"
6. Click m"Properties"
→ 0 obatain an IP address antomaticanccy 
0 MVe the following IP address:
IP Address 
Subnet Masve 
7. Click OK

IP CONFIGURATION

1. Click "Start button"
2. Click "Run"
3. Type "CMO"
4. Type "Inconfig"
5. Type " Ping (IP ADDRESS)"

Sources:
https://www.inetdaemon.com/tutorials/internet/ip/addresses/network_address.shtml
https://www.techopedia.com/definition/20969/network-address
https://en.wikipedia.org/wiki/Network_address
https://www.computernetworkingnotes.com/ccna-study-guide/network-address-basic-concepts-explained-with-examples.html










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