We found several utilities to help calculate IP subnets, subnet ranges, and CIDR addressing. IP Subnet Calculator (free) is a good, basic subnet calculator that shows available subnets based on IP ...

Have you learned to think and dream in hex yet? That is what you are going to have to look forward to as we transition to using IPv6. Because we will be working in hexadecimal numbers we may need a ...

Advanced Subnet Calculator (free) provides subnet calculations, does host lookups, and supplies basic whois information on the service provider for a specific IP address. Be prepared for a big ...

IP addresses on your company network consist of three parts: the network address, the host address and the subnet mask. The network address identifies your broad network, and host addresses identify ...

Table 1. This table illustrates subnet masks. The number after the “/” in the CIDR notation indicates the total number of IP addresses available. Click here to see an enlarged diagram. Understanding ...