Define “Runout”

This week, ARIN allocated another /12, bringing their inventory to less than half of a /8. Since they allocate based on 3-month need, this is “Last Call” for allocations. My friend @toreanderson pointed out that runout date varies based on the size block you need–something I’ve noted before, but haven’t detailed. So I built a spreadsheet. What if […]

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ARIN’s Last /8

I was a little surprise this morning when I saw, following a /10 assignment to Akamai, ARIN has only 0.998 /8 equivalents remaining. This kicks off their Phase 4, which doesn’t look any different from Phase 2. However, after weeks of slow allocations, there’s a sudden dip, which changes curves a bit. (It’s worth noting that Geoff Huston’s projections, […]

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