Subnet Mask Calculator

Enter the TCPIP Network Address:
Force as Class: Default Class A Class B Class C
Enter the required number of sub-networks:
OR enter the required number of nodes/hosts per network:

Network Class:
Subnet Mask: or
Subnets:
Nodes/Hosts per Network:



Network/Node Calculator

Enter the Subnet Mask:
Enter the TCPIP Address:

Network:
Node/Host:
Broadcast Address:



IP Address Converter

Enter the dotted decimal TCPIP Address:
or Enter the binary TCPIP Address:
or Enter the hex TCPIP Address:
or Enter the decimal TCPIP Address: