Subnet Calculator
Inputs
bits
Tab to move between fields
Results
Network Address
192.168.1.0
IP Address192.168.1.100
CIDR Notation/24
Broadcast Address192.168.1.255
Subnet Mask255.255.255.0
Wildcard Mask0.0.0.255
Usable Hosts254
First Usable Host192.168.1.1
Last Usable Host192.168.1.254
IP ClassC
Address TypePrivate
IP (Binary)11000000.10101000.00000001.01100100
1
Identify Input Parameters
5 parameters
= IP Octet 1 = 192, IP Octet 2 = 168, IP Octet 3 = 1, IP Octet 4 = 100, CIDR Prefix Length = 24
= 5 input(s) provided
2
Calculate Network Address
Network Address
= 192.168.1.0
= 192.168.1.0
3
Calculate Broadcast Address
Broadcast Address
= 192.168.1.255
= 192.168.1.255
4
Calculate Subnet Mask
Subnet Mask
= 255.255.255.0
= 255.255.255.0