Broadcast Address Calculator

Calculate the broadcast address of a subnet from an IP address and CIDR prefix. Broadcast = network_address OR NOT(subnet_mask). For 192.168.1.0/24, broadcast = 192.168.1.255.

Networking
Algorithms
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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 It Works

Calculate the broadcast address of a subnet from an IP address and CIDR prefix. Broadcast = network_address OR NOT(subnet_mask). For 192.168.1.0/24, broadcast = 192.168.1.255

Each component has a specific meaning:

  • IP address — The ip address recorded for the scenario being assessed.
  • CIDR prefix — The cidr prefix recorded for the scenario being assessed.

Note: Interpret the broadcast address from cidr result against the thresholds and context described above.

How to Use

Enter the IP address, CIDR prefix for the scenario you are assessing. Calculate the broadcast address of a subnet from an IP address and CIDR prefix. Broadcast = network_address OR NOT(subnet_mask). For 192.168.1.0/24, broadcast = 192.168.1.255. Use the broadcast address from cidr result to inform your calculation.

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Frequently Asked Questions