I'm currently converting a whole lot of IP address data from some quite ghastly flat files.<BR>Ghastliness aside, I'm trying to sort out a way to check each IP listed to check if it's a subnet address ...

In the early days of C, you’d occasionally see someone — probably a former Pascal programmer — write something like this: #define BEGIN { #define END } This would usually initiate complaints about ...

In this article I'll show you how to make a simple IP address notifier. The program will text you your new IP address, in the event that it changes. For those of you with dynamic IPs, this is very ...

The Border Gateway Protocol (BGP) is used to route traffic across the Internet -- and it's a pretty old, creaky protocol that's open to abuse. Back in August 2014, an Italian web hosting company faked ...