ICSA Labs Blog: IPv4

IPv6 in 2011: Where are you?

Whether IPv6 is here or not is a really old and tired topic. Bottom line - it has arrived, it is real and the train has left the station. 

Now the question is: where are you? On the train or still waiting on the platform?

What’s the main IPv6 security issue in most networks?

There’s much evidence that World IPv6 Day was a success.  Whether it was or not, hopefully it's prompting people to think about transitioning their networks to IPv6.  So, what's the implication for your network's security?  Well, is IPv6 running in your network?  Are your network security devices configured to inspect IPv6 traffic, or are they even equipped to do so?  If you know the answers to these questions, then you probably don't need to cont

Have we really run out of IPv4 addresses?

There is a top-level worldwide administrator responsible for the overall pool of Internet addresses. This administrator is the Internet Assigned Numbers Authority (IANA), which hands out address blocks in Regional Internet Registries (RIR) – of which there are five.

IPv4 Addresses Depleting Faster Than I Thought

In October, I was interviewed and said that there were about 5 percent of IPv4 addresses left and 234 days left until the IPv4 addresses were used up (TechNewsWorld, “Get Ready to Kiss IPv4 Goodbye: Q&A With ICSA Labs' Guy Snyder”).  The 5 percent was fact, according to the Internet Assigned Numbers Authority (IANA), and the 234 was an educated guess based on previous use of addresses.