Yeah I've searched around and the only 2 I can think it could be is this https://www.yobicycle.com/mountain-bike/yeti-as-3-l-xt-34892/specs
Or this
https://www.yobicycle.com/mountain-bike/yeti-as-3-xt-34893/specs
I have done both. And all I can find is the yeti AS3 XC and the Yeti AS3 all mountain. And this frame is different than both. I even messaged yeti cycles and they couldn't find it.