This Counter is Out Of Date The 2016 update is here.

There are only this many IPv6 addresses left:

Projected IPv6 Exhaustion Date

5,395,000,000,000,000,000,000,000,000,000 AD

In Perspective
4,600,000,000 AD	Sun explodes; Earth destroyed	Source
1,000,000,000,000,000 AD	Formation of new stars cease	Source
100,000,000,000,000,000,000 AD	Solar systems no longer exist	Source
5,395,000,000,000,000,000,000,000,000,000 AD	IPv6 Exhaustion
10,000,000,000,000,000,000,000,000,000,000,000,000,000 AD	Proton decay: no more atoms	Source

Calculation details

Alternate Method: Allocated /48 Prefixes