On 2 servers with real players, out of 4 Steam servers that run it now, fakes and empty ones included. Checked 14:26 UTC.
kz_divert is a KZ (climb) map: you jump your way to the end as fast as you can. It is not one of the maps that come with the game, so servers send it to players from the Workshop when they join.
Over the last 30 days kz_divert was the #955 map on CS2 community servers, with 1 real players on it at any moment on average - 0% of everyone playing. It ran on about <1 servers with real players at a time. Right now 4 people play it on 2 servers, most of them on servers in Ireland and Russia. It is busiest on Saturday around 10:00 UTC and quietest on Tuesday around 02:00 UTC.
Right now 4, on 2 servers from the Steam server list. Over the last 30 days it had 1 real players on average at any moment. Fake servers and bots are not counted, and Valve matchmaking is not in the list.
On Saturday around 10:00 UTC. The grid above shows every hour of the week in your own time zone.
The busiest right now: CS2 KZ #341 [DE] — CYBERSHOKE.NET (TIER 6-10 - HARD) (3 players), CS2 KZ #362 [RU] — CYBERSHOKE.NET (TIER 6-10 - HARD) (1 players), CS2 KZ #360 [RU] — CYBERSHOKE.NET (TIER 6-10 - HARD) (0 players). The full list is under "Servers running it now", and every server has its own page with its history.
de_mirage43,272 players on average
de_dust217,883 players on average
sandstone_fb14,483 players on average
de_mirage_fps6,342 players on average
awp_lego_25,444 players on average
awp_lego_2_fb4,850 players on average
de_mirage_christmas2,855 players on average
<null>1,274 players on average
bhop_emevaelx31,054 players on average
duels_mirage_1x11,002 players on average
de_inferno889 players on average
de_nuke763 players on average
IE
RU