Network Address Calculator

Calculate the network address by ANDing the IP address with the subnet mask. For 192.168.1.100 with /24 mask (255.255.255.0): network = 192.168.1.0.

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IP Subnet Calculator

IP Address
CIDR Prefix
/
Network
192.168.1.0
Broadcast
192.168.1.255
Subnet Mask
255.255.255.0
First Host
192.168.1.1
Last Host
192.168.1.254
Usable Hosts
254
Binary breakdown:
IP: 11000000.10101000.00000001.00000000
Mask: 11111111.11111111.11111111.00000000
Net: 11000000.10101000.00000001.00000000
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How to Use

Enter the values for the scenario you are assessing. Calculate the network address by ANDing the IP address with the subnet mask. For 192.168.1.100 with /24 mask (255.255.255.0): network = 192.168.1.0. Use the network address from ip/mask result to inform your calculation.

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Frequently Asked Questions