One of our branch offices uses AT&T small business DSL. We have 5 static IP addresses (72.151.x.x) through them. A different local ISP has recently started blocking all emails that we send to their ...

What is my IP? It’s an odd question in most people’s minds, yet it’s one of the top ten most-searched questions on Google. Those who know what an IP address is will already know most of these searches ...

You've heard about it before: an unknown online assailant has been inundating someone in your town with bothersome messages. Luckily, even though that person's profile may be devoid of identifying ...

Are you familiar with the concept of an IP address? If you’re not sure what the term means, it’s still highly likely that you’ve seen an IP address before. You’ve probably stumbled upon a string of ...

Many of our readers are no doubt familiar with the basics of IP address: They provide a network address that’s used to reliably route Internet traffic to your PC, smartphone, or other device. The ...