Computer Network Tutorial

Introduction of Computer Network Types of Computer Network Network Topology Computer Networking Architecture Transmission Modes (Data Flow) Basic Networking Devices Integrate Services Digital Network (ISDN)


OSI Model TCP/IP Model

Physical Layer

Digital Transmission Analog Transmission Transmission Media Switching

Data Link Layer

Error detection and Error correction Data Link Control Multiple Access Aloha

Network Layer

Network Layer - Logical Address Address Mapping Unicast Routing Protocol

Transport Layer

Process to Process Delivery User Datagram Protocol Transmission Control Protocol Stream Control Transmission Protocol Session Layer and Presentation Layer

Application Layer

Domain Name System Application Protocol E-mail Cryptography


Classes of Routing Protocols Classification of Routing Algorithms Controlled Access Protocols in Computer Networks Differences between IPv4 and IPv6 Fixed and Flooding Routing Algorithms Advantages and Disadvantages of Fibre Optics Cable APIPA Difference between Active and Passive FTP Fiber Optics and its Types Method of Joining and Fusion of Fiber Optic Cable Define Framing in Computer Network Disadvantages of Computer Network Mesh Topology Diagram in Computer Network Ring Topology in Computer Network Star Topology in Computer Networks 4G Mobile Communication Technology Advantages and Disadvantages of LAN Advantages and Disadvantages of MAN Advantages and Disadvantages of WAN Application Layer in OSI Model Cyclic Redundancy Check Example Data link layer in OSI model Difference between Transport and Network Layer Hamming Code Example Network Layer in OSI Model Session Layer in OSI Model Transport Layer in OSI Model Two Port Network in Computer Networks Uses of Computer Networks What is Computer Network What is Framing in a Computer Network Advantages and Disadvantages of Bus Topology Difference between Star Topology and Bus Topology Subnetting in Computer Network Subnetting Questions and Answers What is Bus Topology What is Network Topology and Types in Computer Networks Access Control in Networking Basic Characteristics of Computer Network Benefits of SOCKS5 Proxy in Computer Networks Computer Network viva Questions Difference between BOOTP and RARP Difference Between Network Topologies and Network Protocols Difference between NFC and RFID Difference Between Point-to-Point Link and star Topology Network Differences Between MSS and MTU Differences Between Trunk Port and Access Port Different Modes of Communication in Computer Networks MIME Protocol in Computer Networks Modes of Communication in Computer Networks Network Attack in Computer Network Port Address in Networking Simplest Protocol in Computer Network Sliding Window Protocol in Computer Network Stop And Wait Protocol in Computer Networks TCP 3-Way Handshake Process in Computer Networks What is a Proxy Server What is APPN What is ICMP Protocol What is Point-to-Point Protocol What is Port Address in Networking What is the HDLC Protocol What is VRRP Protocol Difference Between Analog and Digital Signals Difference Between Hub and Repeater Difference between Repeater and Switch Difference Between Transparent Bridge and Source Routing Bridge Source Routing Bridge in Computer Networks Transparent Bridge in Computer Networks Transport Protocol in Computer Networks Types of CSMA in Computer Networks What is Wired and Wireless Networking Network Security in Computer Network Disadvantages of Extranet Difference Between TELNET and FTP Define Protocol in Computer Networks Guided Transmission Media in Computer Network What is a Gateway in a Computer Network IGMP in Computer Networks LAN Protocols in Computer Networks MAN Meaning in Computer Modulation Techniques in Computer Networks Switching in DCN TCP/IP Applications What is IGMP? What is Modem in Networking What is Non-Persistent CSMA Difference between Cell Splitting and Cell Sectoring Forouzen Computer Network Open Loop and Closed Loop Congestion Control Types of Cluster Computing WAP-Wireless Access Point What are the elements of the Transport Protocol Difference between Gateway and Switch Flow Control in Data Link Layer Body Area Network Flooding in Computer Network Token Ring in Computer Networks VoIP in Computer Networks What is Infrared Transmission Congestion Control Techniques Forward Error Correction (FEC) Switching Techniques What is Telnet in Computer Network What are the Types of IPv4 Addresses IEEE 802.6 (DQDB) IEEE 802.15.4 Technology What is HDLC (High-level Data Link Control)? What is SMS Hubbing in Telecom? Circuit Switching in Computer Networks Communication Satellites in Computer Networks Features of HTTP Protocol IMAP4 (Internet Message Access Protocol) Internet Services How to Set up a Wireless Router Internetwork Routing in Computer Networks Distributed Computing System Features of GSM The 802.11 MAC Sublayer Protocol What is IEEE 802.3? What are Hubs and Switches in Computer Networks? What is Modem in a Computer Network? What is multicasting in Computer Networks? GSM -The Mobile Station What is Network Server? Slotted Aloha in Computer Network What is Ethernet in Computer Networks What is Arpanet? Radio Access Network (RAN) TCP 3-Way Handshake Process PING SWEEP (ICMP SWEEP) Print Server Private IP Address Security Services in Computer Networks Protocol Data Unit (PDU) CSMA with Collision Avoidance (CSMA/CA) What is Gateway in Computer Network? Advantages of Networking Data Link Layer Design Issues DHCP in Computer Networks Internet Security Association and Key Management Protocol (ISAKMP) What is Switch Hub? Telnet Full form in Networking Multimedia Systems Quality of Service in Computer Networks What is Carrier Sense Multiple Access (CSMA)? What is Circuit Switching What is Duplex Network? What is Web Protocol Network LAN Technologies Classes in Computer Network Low-Density Parity Check (LDPC) Wireless Internet Service Providers(Wisps) What is Handshaking? Cache Server What Is WSN Network? Check Sum Error Detection Linear Bus Topology Functions of the Transport Layer Infrared Transmission in Computer Networks Digital Signal in Computer Network Digital Data Transmission in Computer Networks Define Checksum with Example Computer Network Security Requirements Brust Errors in Computer Network Back Side Bus (BSB) 2-Dimension Parity Check in Computer Network Router and Brouter Microwave Transmission in Computer Networks Magnetic Media in Computer Network A One-Bit Sliding Window Protocol CDMA-Near-Far Problem Reference Models in Computer Networks Uni-cast, Broadcast, and Multicast in Computer Networks Uses Of Bridges in Computer Networks What are Gateways in Computer Network?

Private IP Address


Your device's non-routable private IP address is what the network router assigns to it. Each device sharing a network is assigned a unique network address, or private IP. Devices connected to the same network can communicate thanks to an IP address. The linked device can communicate without connecting to the Internet thanks to private IP addresses.

What Is a Private IP Address?

A private IP address is one that has designated non-routable ranges associated with it. Private IP addresses are used by businesses and corporations to increase network security and stop other users or hosts from connecting. For instance, even if you can print papers and link your printer to your wireless network, your neighbor is unable to send orders to your printer.

Every gadget linked to the internet, including computers, printers, tablets, and smartphones, has a unique IP address.

One of the main reasons private IP addresses were created was to aid with router and device identification, which is made possible by a private IP address.

What are the categories of Private IP Addresses?

IPv6 and IPv4 addresses are both included in private IP addresses.

Configurations that categorize private IPv4 addresses are as follows:

  • Class A

The range of Class A Ranges from to, suitable for large network connections. Large network connections with up to 24 bits for hosts and 8 bits for networks use class A.

  • Class B

The range of Class B Ranges from to, suitable for mid-scale networks. With 16 bits for the host and network, Class B is used for mid-scale networks.

  • Class C

The IP addresses of class C vary from to Class C networks use 8 bits for the host and 24 bits for the network.

Private IP addresses classified as class A are limited to 16 million addresses; class B permits one million addresses, and class C permits up to 65,000 addresses. Because private IP address ranges are reprocessed on several private networks, they have a restricted range. With public IP addresses, however, that is not the case because they are recognizable.

Why are Private IP Addresses Required?

Private IP addresses are used by residential and business networks to keep outside users from connecting. For users in the same area, your local internet service provider might utilize a single IPv4 address. Multiple devices can share a single allocated address by using a port address to transform an IP address to various addresses. So, users can connect to several hosts by employing a network or port address converter.

Private IP addresses are used by businesses to bolster security and limit Internet access to internal users.

  • Protection and Privacy:

One of the main benefits of private IP addresses is data protection. Private IP address devices limit the amount of data that may enter and leave the network by not connecting to the public Internet. Sensitive information is protected and only accessible by linked devices for businesses.

  • Security:

Because a private IP address limits public access, it is shielded against malware and viruses. Thus, private IP addresses are less vulnerable to virus attacks and data breaches than public IP addresses.

A private IP address is available to all devices—computers, tablets, and phones—that are connected to a private network, without any restrictions. This isn't the case with public IP addresses, though.

Additionally, a private IP address enables communication between devices—like file servers, printers, and scanners—that don't require an internet connection.

How Can a Private IP Address be Used?

You are unable to receive traffic straight from the Internet if you have a private IP address. Rather, in order to use the same public IP address for different devices to access the internet, you must employ Network Address Translation (NAT).

Your IP address, for instance, will appear online as if your internet provider assigns you one in the range The Network Address Translation (NAT) is the term for this. Because of this, in order for you to use the Internet to access your home or business network devices, your ISP has to provide you a public IP address.

However, if we have thousands of private IPs and just one public address, how can we determine which IP is associated with which address? To fix this, we employ Port Address Translation (PAT), which maps ports in order to preserve router tables.

How to find out your IP address is another often requested subject. Sometimes it helps to know what your private intellectual property is. For instance, you can use the private IP address to link two systems together on a network. Or having an understanding of your IP address is helpful when setting up a remote desktop to control a computer from a distance.

If you want to conceal your IP address, you can use a VPN to replace it with a virtual address. Your data and private information are encrypted by VPN. In order to generate an anonymous IP address that cannot be identified, users can also conceal their IP address using a web proxy.

What Private IP Addresses are Used by Enterprises?

Why would a business decide on a private IP address? for safety. Private IP addresses are more secure even though public IP addresses are easier to use and more convenient. Consider a private address as a closed-off area with no access to the outside world. Your information and data are kept safe behind a private IP address, and there is significantly less chance of malware or viruses affecting them.

Secured data indicates that hackers and security breaches cannot access the company's gadgets. So, a private IP network is the best option if data security and privacy are crucial to the way your firm operates.

Private IP addresses, however, need more effort. If a network is closed, more tools are required in order to connect to a public network and access the Internet. If businesses want to conduct secure business transactions, they might have to spend money on network-based IP VPNs. More tools equate to more resources for network management. Businesses can use this information to determine whether a public or private IP address is better suited for their operations.