Calculator for IP adresses

Subnet Calculator

With this calculator you can split a network in multiple sub networks. Please enter your network adress as start, the desired class and finally the number of sub networks or ip adresses per sub network.

TCP/IP Network adress:
Network class: Standard Class A Class B Class C
Number of desired sub networks:
OR number of desired hosts (including network and broadcast):
Network class:  
Subnet mask: or  
Number of sub networks:  
IP Adresses / Sub networks:  

Network/Node Calculator

IP Adress:
Subnet mask:  
Broadcast Adress:  

Convert Subnet mask

Subnet masl
Length of Subnet mask /

Invert Subnet mask

Subnet mask
Inverted Subnet mask  

Convert IP adress

IP adress (default):
OR IP adress (binary)
OR IP adress (HEX):
OR IP adress(decimal):