To understand how subnetting works, you first must have a good basic understanding of IP addresses. An IP address is set of binary octets broken into quads. That definition may not have made any sense ...

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 ...

Subnet Mask A subnet mask is a 32-bit (4-byte) address used to differentiate between the network address and the host address in an IP address. It specifies the range of IP addresses that are ...

This program adds functionality to handle subnetting for Class A IP addresses, alongside existing support for Classes B, C, D, and E. The program provides utilities to: Identify the class of an IP ...