Subnet Mask Explained | How to Calculate a /28 Subnet (Step-by-Step)

Confused about subnet masks and CIDR notation? In this video, I break down subnetting in a simple and practical way using the example 192.168.1.54/28.

You'll learn:

✅ What a subnet mask is
✅ How a subnet mask separates the Network and Host portions of an IP address
✅ What /28 means in CIDR notation
✅ How to convert /28 to 255.255.255.240
✅ Understanding IPv4 binary representation and place values
✅ How to calculate the number of hosts in a subnet
✅ How to determine the block size
✅ How to find the Network Address
✅ How to find the Broadcast Address
✅ How to identify the Usable Host Range

Example Covered

IP Address: 192.168.1.54/28

Results:

Network Address: 192.168.1.48
Broadcast Address: 192.168.1.63
Usable Host Range: 192.168.1.49 – 192.168.1.62
Total Addresses: 16
Usable Hosts: 14

This lesson is perfect for:

Networking beginners
CCNA students
CompTIA Network+ candidates
IT Support Engineers
System Administrators
Cybersecurity learners

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Видео Subnet Mask Explained | How to Calculate a /28 Subnet (Step-by-Step) канала Bamitechy