Subnet Calculator
Calculate network details from IP address and subnet mask (CIDR).
Subnet Calculator
Network Address
192.168.1.0
Broadcast Address
192.168.1.255
Subnet Mask
255.255.255.0
Wildcard Mask
0.0.0.255
First Host
192.168.1.1
Last Host
192.168.1.254
Usable Hosts
254
Total Hosts
256
IP Class
C
IP Type
Private
Binary IP
11000000.10101000.00000001.00000001
How to use Subnet Calculator
- Enter an IP address (e.g., 192.168.1.1).
- Select a subnet mask or enter CIDR notation (e.g., /24).
- The calculator automatically updates the network details.
Subnetting Knowledge
What is Subnetting?
Subnetting is the practice of dividing a network into two or more smaller networks. It increases routing efficiency and enhances network security.
CIDR Notation
Classless Inter-Domain Routing (CIDR) is a method for allocating IP addresses and IP routing. It uses a suffix (e.g., /24) to indicate the number of bits in the network prefix.
Key Features
- Real-time calculation
- Support for all CIDR prefixes (/0 to /32)
- Detailed network information including Broadcast and Range
- Binary representation view
Common Uses
- Network planning and design
- Configuring routers and switches
- IP address management (IPAM)
- Subnetting for security and performance