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Subnet Calculator
Calculate network address, broadcast address, host range, and more from any IP address and subnet mask or CIDR prefix.
Mask: 255.255.255.0
Common Subnets
Network Address
192.168.1.0
Broadcast Address
192.168.1.255
CIDR Notation
192.168.1.0/24
First Usable Host
192.168.1.1
Last Usable Host
192.168.1.254
Usable Hosts
254
Total Hosts
256
Subnet Mask
255.255.255.0
Wildcard Mask
0.0.0.255
IP Class
Class C
IP Type
PrivateBinary Representation
IP Address
11000000.10101000.00000001.00000000
Subnet Mask
11111111.11111111.11111111.00000000
Visual Subnet Mask
Network bits Host bits
11111111111111111111111100000000
24 network bits8 host bits
Common Subnet Reference
| CIDR | Subnet Mask | Addresses | Usable |
|---|---|---|---|
| /8 | 255.0.0.0 | 16,777,216 | 16,777,214 |
| /16 | 255.255.0.0 | 65,536 | 65,534 |
| /24 | 255.255.255.0 | 256 | 254 |
| /25 | 255.255.255.128 | 128 | 126 |
| /26 | 255.255.255.192 | 64 | 62 |
| /27 | 255.255.255.224 | 32 | 30 |
| /28 | 255.255.255.240 | 16 | 14 |
| /29 | 255.255.255.248 | 8 | 6 |
| /30 | 255.255.255.252 | 4 | 2 |
| /31 | 255.255.255.254 | 2 | 2 |
| /32 | 255.255.255.255 | 1 | 1 |