Subnet Calculator

Calculate IP subnets, CIDR notation, and network information

Subnet Calculator

Subnet Information

Network Address

192.168.1.0

Broadcast Address

192.168.1.255

First Host

192.168.1.1

Last Host

192.168.1.254

Total Hosts

254

Subnet Class

C

CIDR Calculator

CIDR Information

Property Value
Network 10.0.0.0
Subnet Mask 255.255.0.0
Wildcard Mask 0.0.255.255
Broadcast 10.0.255.255
Host Range 10.0.0.1 - 10.0.255.254
Total Hosts 65,534

VLSM Calculator

Required Subnets

VLSM Results

Subnet Guide

Subnet Classes

  • Class A: 1.0.0.0 - 126.255.255.255 (/8)
  • Class B: 128.0.0.0 - 191.255.255.255 (/16)
  • Class C: 192.0.0.0 - 223.255.255.255 (/24)
  • Private: 10.x.x.x, 172.16-31.x.x, 192.168.x.x

CIDR Notation

  • /24: 255.255.255.0 (256 addresses)
  • /25: 255.255.255.128 (128 addresses)
  • /26: 255.255.255.192 (64 addresses)
  • /27: 255.255.255.224 (32 addresses)