Yep. For example:
https://www.google.com/intl/en/ipv6/statistics.html#tab=ipv6-adoption
Tony
> On Nov 9, 2018, at 02:09, Tony Ellis <tonyellis3.te(a)gmail.com> wrote:
>
> IPv6 is already here. My mobile phone is dual stack, IPv4 and IPv6, it
> will continue to grow and like everything, it is just a matter of time.
> Some of my ISP's are dual stacked, etc. Will IPv4 go away, my best guess
> is 2090....???
>
> On Thu, Nov 8, 2018 at 9:40 PM Neil Johnson <neil.johnson(a)erudicon.com>
> wrote:
>
>>
https://news.ycombinator.com/item?id=18407173
>>
>>
>> Note: I'm NOT advocating anything like that for 44.0.0.0/8.
>>
>> It's just going to be fun to watch the market for IPv4 address space boom
>> and then bust when IPv6 adoption finally reaches critical mass.
>>
>> -Neil, N0SFH
>> --
>> Neil Johnson
>>