Here is the list of all available LLLL.INs as of the scan done on April 15th, 2017.
The stats are:
Remaining: 290725 / 456976
Registered: 166251
%Remaining: 63.61%
CVCV Names Available: 26
VCVC Names Available: 7,829
AAAB Names Available: 58
ABBB Names Available: 39
ABAB Names Available: 42
AABB Names Available: 0
ABBA Names Available: 40
CHIP Names Available: 47,862
The trend graph is:
