A Second Look at APNIC and IPv4 Address Exhaustion

It has been said often enough that its easy to make predictions; the tough part is getting them right! And in trying to predict the manner that APNIC will exhaust its remaining supply of IPv4 addresses I’m pretty sure that I did not get it right in the most recent…


Address Transfers in APNIC

In 2010 the Asia Pacific Regional Address Policy community adopted a policy that permitted address holders in the region to transfer address registration records, enabling an aftermarket in IPv4 addresses to operate with the support of the APNIC registry function. While APNIC was still able to allocate addresses to meet…


IPv4 Address Exhaustion in APNIC

It has been over 4 years since APNIC, the Regional Internet Registry for the Asia Pacific Region handed out its last “general use” allocation of IPv4 addresses. Since April 2011 APNIC has been restricted to handing out addresses from a “last chance” address pool, and has limited the amount of…


Addressing 2014

Time for another annual roundup from the world of IP addresses. What happened in 2014 and what is likely to happen in 2015? This is an update to the reports prepared at the same time in previous years, so lets see what has changed in the past 12 months in…


BGP in 2014

The Border Gateway Protocol, or BGP, has been holding the Internet together, for more than two decades and nothing seems to be falling off the edge so far. As far as we can tell everyone can still see everyone else, assuming that they want to be seen, and the distributed…


How Big is that Network?

How “big” is a network? How many customers are served by an Internet Service Provider? While some network operators openly publish such numbers, other operators regard such numbers as commercially sensitive information. There are a number of techniques used to estimate the relative size of each Service Provider from public…


Addressing 2013 – That Was The Year That Was

Time for another annual roundup from the world of IP addresses. What happened in 2013 and what is likely to happen in 2014? This is an update to the reports prepared at the same time in previous years, so lets see what has changed in the past 12 months in…


IP Addresses and Traceback

This is an informal description the evolution of a particular area of network forensic activity, namely that of traceback. This activity typically involves using data recorded at one end of a network transaction, and using various logs and registration records to identify the other party to the transaction. Here we’ll…


Valuing IP Addresses

The prospect of exhaustion of the IPv4 address space is not a surprise. We’ve been anticipating this situation since at least 1990. But it’s a “lumpy” form of exhaustion. It’s not the case that the scarcity pressures for IP addresses are evidently to the same level in every part of…


Updating the Predictions of Exhaustion

It’s time I updated the IPv4 Address Report. For ARIN and LACNIC the time when the registry reaches into its collection of available IPv4 addresses and comes out empty handed is getting closer, and its time to sharpen up the modelling about exhaustion.