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Subnet Mask CalculatorDeveloper

Calculate network subnets, IP ranges, and CIDR notation for network engineering.

Network address

192.168.1.0

Broadcast address

192.168.1.255

Usable host range

192.168.1.1 - .254

Total usable hosts

254

Capabilities & How-To Guide

Instructions, supported options, and client-side privacy guarantee.

Subnetting is the practice of dividing a network into two or more networks. It improves routing efficiency, enhances security, and helps manage the limited number of IP addresses.

Common CIDR Values:

  • /24: 256 IPs (Standard Office)
  • /32: 1 IP (Single Host)
  • /16: 65,536 IPs (Large Enterprise)
  • /8: 16.7M IPs (Class A)
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