IP Subnet Calculator

Calculate network addresses, host ranges, subnet masks, and binary layouts offline.

Subnet Inputs

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Calculated Subnet Details

Network Address
192.168.1.0
Broadcast Address
192.168.1.255
First Usable Host
192.168.1.1
Last Usable Host
192.168.1.254
Subnet Mask
255.255.255.0
CIDR Prefix
/24
Total Addresses
256
Usable Hosts
254

Network Info & Properties

IP Class Class C
Network Type Private (RFC 1918)
Details Commonly used for local area networks (LANs). Not routable on the public Internet.

Subnet Binary Breakdown

IP Address:
11000000.10101000.00000001.00001010
Subnet Mask:
11111111.11111111.11111111.00000000
Network Address:
11000000.10101000.00000001.00000000
Broadcast Address:
11000000.10101000.00000001.11111111
Subnet Part
Host Part