The stockpile of unused IPv4 addresses in North America has fallen so low that there's now a waiting list.
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The writing's on the wall about the short supply of IPv4 addresses, and IPv6 has been around since 1999. Then why does the new protocol still make up just a fraction of the Internet?
Whenever I help a company deploy IPv6, the first question I'm asked is how to get provider independent IPv6 address space from ARIN. ARIN has new <a href="https://www.arin.net/policy/nrpm.html#six58">policy guidelines</a> that affect how a company approaches its allocation justification request for IPv6 vs. what was required for IPv4.