Imagine you're at a large party with dozens of people, and someone calls out your name to hand you a gift.
Your name is crucial for identifying you in the crowd.
Similarly, an IP address acts as a unique identifier for computers, smartphones, and other devices, allowing them to recognize and communicate with one another.
Without IP addresses, devices on a network wouldn't be able to connect with each other, making communication impossible.
An IP address (Internet Protocol address) is a unique string of numbers assigned to a device connected to a network.
Without IP addresses, communication between devices wouldn’t be possible.
There are two significant types of IP addresses:
A private IP address is assigned to devices within a private network, such as your home network or office network.
These addresses are not directly accessible from the internet and are used for communication within the local network.
Your laptop, smartphone, and smart TV at home may have private IP addresses like:
192.168.0.1 (Laptop)
192.168.0.2 (Desktop)
192.168.0.3 (Smartphone)
192.168.0.4 (Smart TV)
These devices can communicate with each other without being exposed to the public internet.
Private IP addresses are reserved for use within private networks (like homes or offices) and are not routable on the public internet.
These ranges are defined by the Internet Assigned Numbers Authority (IANA) in RFC 1918.
Here are the private IP ranges:
Class A:
Range: 10.0.0.0 – 10.255.255.255
Typical Use: Large organizations with extensive internal networks.
Class B:
Range: 172.16.0.0 – 172.31.255.255
Typical Use: Medium-sized networks.
Class C:
Range: 192.168.0.0 – 192.168.255.255
Typical Use: Home networks and small offices.
Public IP Addresses are unique addresses assigned to devices that connect directly to the internet.
These addresses are visible on the internet and can be accessed from anywhere across the globe.
Internet Service Providers (ISPs) provide public IP addresses, which are critical for devices or servers that need to be accessible over the internet.
Your ISP might assign you a public IP like 203.0.113.42. you can check what Public IP is assigned to you by going to google and typing what is my ip address.
When you visit a website like www.amazon.com your public IP is used to communicate with amazon server on the internet.
Public IP address range consist of any IP Address not used in the private IP address and the reserved range.
Example
163.53.76.86
108.158.57.229
Understanding IP Addressing is just the beginning.
Attari Classes CCNA is designed to give you hands-on experience and prepare you for real-world scenarios.
Whether you’re new to networking or looking to solidify your skills, our expert-led training will give you the confidence to excel in the networking field.
Conclusion:
Understanding the types of IP addresses and their uses is fundamental to networking and modern communication. To gain hands-on expertise, Attari Classes offers the best CCNA training in Sydney, Japan, Sweden, Kuwait and other top locations.
Get in touch with Attari Classes today to advance your career in CCNA certification and networking!
Take the next step in your networking journey and build a solid foundation for a successful career in IT.
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