The telemarketing research firm, The Radicati Group has reported an estimated 3% yearly increase in worldwide email users in 2017–19. The number of total emails sent per day is predicted to reach 225.3% this year. It will hit 246.5 billion by 2019.

IPv4 exhaustion was predicted several years ago. Now that there are no more IPv4 addresses to allot, the market is scrambling to find a way out of this crisis.

The Internet has run out of new IPv4 addresses. While you can still buy IPv4 space in private markets, no more are being allotted by ARIN or any other registries.