IPv4.Global Blog
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IPv4 Address Transfers
& The Chain of Title
RIRs are deeply concerned with illicit use of IP addresses. To stop such use they require different kinds of proof of ownership when approving an official transfer. Read more
2023: The First Half
In the first six months of 2023 larger block prices hovered between $50-55 per address and smaller blocks continued to fall in price. The difference in recent months has grown to 30-35%. Read more
The ARIN Qualified Facilitator
ARIN created the Qualified Facilitator Program (QFP) to be a resource for the community to assist in identifying Qualified Facilitators engaged in brokering the transfer of IPv4 addresses. Read more
The Value of
Private Address Space
Private addresses are intended for use on end user networks. That means anything from a domestic WiFi connection to a large bank’s internal server infrastructure. Read more
Unlock Your Hidden Fortune
Today, a great deal of IP address space remains dormant simply because too many addresses were distributed to some networks. Educational institutions especially. So, educational institutions may find themselves in a prime position as potential sellers. Read more
Consolidating Network Addresses
You can’t control resources you do not know about. Turning hidden assets into a windfall is nice but a complete view of your network is essential to identify precisely its configuration, utilization and general health. Read more
Selling IPv4 Addresses for University Funding
IP addresses are a hidden treasure trove that many universities don’t realize they possess. This intangible asset could be the key to unlocking much-needed funds. Read more
What is ARIN?
The internet grew slowly, at first. The original four ARPANET nodes were connected in 1969. By 1988 there were 500,000 internet users. It was then clear: any reasonably complex system requires management. Read more
Routing, Trust & RPKI
The routing protocols we rely on today were developed in a much friendlier environment. No doubt, no one anticipated they’d be in place more than 30 years later. But protocol developers anticipated networks would want some level of control. Read more
Are IP Addresses Property?
Does their specific use make IP addresses “property?” If “a property right is the exclusive authority to determine how a resource is used,” addresses don’t fit. Though not natural property, they are intangible assets, a subset of which is further known as intellectual property. Read more
Making CIDR: A History
Early IP systems subdivided all the available IP addresses into three flavors. Each wildly different in the number of addresses included. These packages of addresses left the distributors of them few choices. Finer subdivisions were needed. Read more