IPv4 Transfers
The mechanics of moving a block from one registry holder to another. These pages describe what the registries require and what the operators on both sides have to do; they are written for whoever runs the transfer, not for the person negotiating the price.
The stages from agreement to registry update, with checkpoints.
What to check about a block and its seller before you sign.
The paperwork each RIR asks for, and who supplies it.
How funds are held and what triggers their release.
How long each stage takes, and what causes delays.
Registry objects, RPKI, IRR, rDNS, and geofeed after the update.
Stolen space, forged authority, and payment diversion.
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