Howie Crosby over at oozel.com put together a very nice piece for those interested in 4 character.com names. Categories include LLNN,NNLL,LNNN and NNNL.com.
Howie provides research into the top sales in each category and gives notes on what you will find at each domain.
These names are dominated by Chinese registrants but there are some other parts of the world represented.
If you are interested in this niche then the report is worth reading and bookmarking.
The results of 4C average sales in the last year are detailed below. Along with overall total sales.
LLNN $2018 326 sales
NNLL $819 231 sales ($579 with isolated China whois)
LLLN $955 313 sales ($595 with isolated China whois)
NNNL $390 82 sales ($390 with isolated China whois)
Read the full article on oozel.com