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Univ. of Kentucky College of Law

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Thursday, December 5, 2013

The Internet Has Run Out of Four Letter .com Domain Names

Via Will Oremus:

None. Zero. Nada.

That’s how many four-letter dot-com domain names are left unregistered on the Internet, according to new research by, a Croatian startup that analyzes domain data.

We’re not just talking about four-letter names that spell actual words, like or (R.I.P). We’re not even just talking about pronounceable four-letter combinations, like eBay, Yelp, Etsy, and Hulu. We’re talking every possible four-letter combination, from to That’s a total of 456,976 combinations. WhoAPI checked all 456,976 of them, and confirmed that not one remains unregistered.

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