I got sick of spending time converting IP addresses to various formats. ipconv.pl is a quickie CGI shortcut to convert a dotted-quad IP address to decimal, hex, octal and binary.

The nomenclature of the web is vast. But even though words become commonplace, people often don't know what they really mean. But they should. An IP address, for instance, is a ubiquitous part of the ...

George Ou explains IP subnetting using his own graphical approach. It's a great primer for students and a nice refresher for others. IP subnetting is a fundamental subject that’s critical for any IP ...