IPv4.Global Blog

Driven by leaders, IPv4.Global is founded in expertise, efficiency, and industry knowledge. From serving on advisory boards, to attending regional meetings, our team is integral to the IP community. Read from our experts first-hand and subscribe to our Medium.

What is CIDR?

May 25, 2021

Pronounced “cider,” CIDR stands for Classless Inter-Domain Routing. CIDR is a method for summarizing IP addresses. Its original goal was to slow the exhaustion of IPv4 addresses and help extend the life of IPv4. It also improved the efficiency of IP address assignments. Read more

IPv4 Market and IPv6 Deployment

November 10, 2020

In 2020, Lee Howard researched how the IPv4 address market affected the deployment of IPv6. He looked at the total addresses transferred and the number of addresses transferred over time. And studied further from there. Read more

First RIPE NCC “Seizure of IPv4 Addresses”

October 9, 2020

In a publication released in 2020, RIPE NCC reported its first seizure of IPv4 registration rights pursuant to a Dutch court order.  Per the order, RIPE NCC effectuated a transfer of the IP Addresses from the debtor to its creditor.  Read more

What Is an ASN Broker?

October 8, 2020

Each network operator (whether a major cable, mobile company or WISP) decides who they will connect to. As those networks connect, they tell each other what IP addresses they know how to reach. Read more

The Benefits and Risks
of Leasing IPv4 Space

September 23, 2020

With address prices rising, the reasons to become a lessor are clear: extended predictable revenue. Leasing leaves open the opportunity to sell in the future. And, it allows the lessor to keep the IPv4 block in case of future need. Read more

How IPv4 Brokers Create Value
in the IP Address Marketplace

September 18, 2020

Recently, I had a conversation with someone whom I would classify as an IPv4 market opponent while I was at the African Network Information Center (AFRINIC) in Nairobi. It was a useful conversation for me, and hopefully for him as well. Read more

What is IPv4 and Why Does it Matter?

August 27, 2020

IPv4, or Internet Protocol version 4, is a set of rules that allows devices, like computers and phones, to exchange data on the Internet. Each device and domain connected to the Internet is assigned a unique number, called an IP address. These addresses ensure data is routed to the correct device. Read more

Everything You Need to Know
About IPv4 vs. IPv6

August 18, 2020

The “IP” in IPv4 and IPv6 stands for Internet Protocol, which is a set of rules that determine how devices transmit data packets across the Internet. Internet Protocol also assigns a unique address to each device on the web. These addresses ensure data packets are routed to the correct device. Read more

IP Blocklist and Blocklist Removal

June 23, 2020

Everyone hates spam. Even worse is malware—something that infects your computer and sends spam out to you and others or tries to hack into systems. In response to these problems, many people began to maintain lists recording who generates spam and malware. Read more

RPKI – Today or Tomorrow?

May 14, 2020

Resource Public Key Infrastructure (RPKI) is a mouthful. Essentially, RPKI ensures that the network saying, “We are the place to send traffic for network A.B.C.D” really is the right place. Read more

US Government Plan
to Complete IPv6 Transition

March 11, 2020

By now, many people have seen the U.S. Office of Management and Budget (OMB) request for comments to a memo outlining stages to move to IPv6-only. We mentioned a precursor to this US government IPv6 transition plan in December. Read more

Part II:
Buying and Selling IPv4 Addresses

March 25, 2019

As previously discussed in part one of this series, IPv6 hasn’t quite made the giant splash throughout the enterprise landscape that many expected. Now, don’t get me wrong, IPv6 still plays a major role in the IT space. In the world of telecommunications, IPv6 is a key enabler of next-generation technologies and communication strategies, as carrier networks, ISPs, and mobile networks roll out the new protocol across their networks. Read more