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.

CIDR in Networking

CIDR was developed to assign IP addresses in a wider variety of block sizes, reducing the waste of unused space. The system is explored here along with the advantages of more flexibility and efficiencies in routing that result. Read more

IP Transfers:
Sanctions & Regulation

Russia’s invasion of Ukraine impacts IP transfers. The ramifications stem from banking controls, funds transfers and other non-banking sanctions. Read more

The DoD IPv6 Mandate

Recent Department of Defense IPv4 activity and announcements about IPv6 indicate a shift in their perspective and suggest potential impacts on the IPv4 address market. To better understand the scope and nature of these effects, Read more

Renumbering IP Addresses

When additional IPv4 addresses are acquired, the devices that will use them must have their identifying IP changed. This change is known as renumbering and, when many devices are involved, can be time-consuming. Read more

The Best Internet Connectivity Media

Internet connectivity is covered by the mass media either thinly or inaccurately. Or both. Most news outlets only publish reviews of consumer products. Ditto publications about personal computers and handheld devices. Read more

IP Address Reputation

To combat online pollution, systems have been developed that mark bad senders for exclusion from the system. Understanding the scoring, monitoring and cleanup of such addresses is an important part of any IP transfer. Read more

The IPv4 Transfer Market

Among the problems created by the early design of the internet was the limited supply of IP addresses. To help solve this problem, markets have evolved for “surplus” addresses. To read about the transfer of these assets, the changes taking place and to get some idea of the possible future. Read more

IPv4 Seller Checklist

Download our fillable Seller checklist here A lot can go wrong when transferring addresses from one company to another. After 2,500 transfers, the team at IPv4.Global has seen it all. Here are some tips to […] Read more

IPv4 Buyer Checklist

Download our fillable Buyers Checklist here. A lot can go wrong when transferring addresses from one company to another. After 2,500 transfers, the team at IPv4.Global has seen it all. Here are some tips to […] Read more

What is CIDR?

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

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”

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