IPv4.Global Blog
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The Global Flow of IPv4 Addresses
Both the volume of IPv4 transfers on a year-by-year basis and the RIRs to and from which they transfer makes for interesting reading. Market trends and RIR policies all play a role. Read more
Assignments, Allocations and Temporary Transfers
The differences among assignment and allocation rules, ownership and temporary transfers are outlined for those considering leasing. Read more
Geolocation is More Than GeoIP
Today’s internet and associated technologies have a suite of services to help users and others know where someone or something is. Geolocation is useful for users, for network operators, for businesses using the internet, and for governments around the world. Read more
Unallocated Class E IPv4 Addresses
In 1986, protocol developers reserved a big block of addresses for “future addressing modes”. (The designers were aware of their inability to predict the future.) They called this reserved space – sixteen /8 blocks or 268,777,216 addresses – Class E. Read more
IPv4 Address Transfer in Cross-Border M&A
When addresses change hands in a merger or acquisition financial leaders should understand the basics of their valuation and transfer. Read more
Policies Regarding Leasing IPv4 Addresses
As the leasing market is heating up, and following several years of proposals to allow or prohibit IP leasing, here’s the current policy situation in each region. Read more
IPv4 Market Improves
Internet Routing Security
Transferring IPv4 addresses from a legacy holder to an organization with an RIR contract can improve internet routing security. This occurs because addresses under an ARIN contract can benefit from processes and services not available when ARIN was established. Read more
Managing Network Resources with Excel
Excel has quirks to go along with its power and convenience. Broadly speaking, it is a generalist’s tool, meant for pretty-good performance in almost any calculating and record-keeping environment. But “pretty good” isn’t terrific. Read more
Privacy on the Internet
The identification of individual users and their interests is based on users’ behavior online. But behavior tracking isn’t the only form of involuntary characterization by outside parties. We announce who we are and what we (probably) care about in many ways. Read more
The Difference
Between IPv4 and IPv6
IPv4 and IPv6 sound very similar and they were both developed to solve the same problem. But unless you’ve looked closely under the hood, it’s hard to know how they differ. Read more
IPv4 Address Leasing:
Ownership Rights and RIR Policies
Unlike selling IPv4 addresses and relinquishing ownership rights to these addresses, leasing them on the market enables organizations to “lend” these ownership rights to lessees. Read more
The IPv4 Leasing Market
The IPV4 leasing market has been controversial, driving policy discussions at public policy meetings among the Regional Internet Registries (RIRs) that administer the IPv4 address records. In part because short term lessees tend to use the addresses in ways that will get them blocked. Read more