Network Calculator

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Netscape Navigator 4.0.x Users: There is a known bug in Netscape Navigator 4.0.x which will cause you to see this message if you have the local cache turned off.

Subnet Mask Calculator
Enter the TCPIP Network Address:
Enter the required number of sub-networks:
OR enter the required number of nodes/hosts per sub-network:
Network Class: subnetted as
Subnet Mask: or
Subnets:
Nodes/Hosts per Network:

Network/Node Calculator
Enter the Subnet Mask:
Enter the TCPIP Address:
Network:
Node/Host:

Java Script (C)opyright Al Vonkeman 1998