Potential Sellers of IPv4 resources often ask questions such as: What is the most common size of IPv4 block sold?Should I sell a /20 or a /19? Which will sell faster? At IPv4 Market Group, we experience demand for block sizes that mirror the overall market.  John Sweeting, ARIN’s Senior Director for Registration Services, presented ..read more

The blacklisting of IP addresses is a common occurrence on today’s internet. Most of us have encountered networking attacks in one form or another, ranging from obnoxious spam emails to crippling malware, phishing or ransomware attacks. Their path to your computer starts from a device on the internet operating behind an IP address.  Who helps ..read more

In recent blogs on  IPv4 Price Trends and IPv4 Transfer Market Volumes, we have introduced the topic of IPv4 market sizing.  It is clear to us that the number of IPs transferred is driven by large transfers from the holders of /8 blocks.  In this blog, we are going to assess the potential future size ..read more

As anyone purchasing or selling IPv4 addresses knows, the price for IPv4 addresses more than doubled in 2021. Prices went from less than $25 USD per IP to north of $50 USD per IP, for virtually all block sizes.  This increase was unprecedented, as the previous trend in the market went from $5 per IP ..read more