I dunno, but it's over double the top of the max range. Although I get that with ~325mg pharma Test E and at the trough (3.5 days post inject).
Like said, everyone varies. Wouldn't suprise me if your gear was underdosed. But, the important thing is, with levels of ~2000 I put on 10kg in 10 weeks. Underdosed or not, that is enough to grow with. Bump it up another 250mg if your super concerned. But your priority should be training and diet, those levels will build mass.