Personal experience of last 2 months 106 and 90 plus a sim! The 106 was in 24 days and is legal because at the beginning of the last flight I only had 92. Thank god they are limits and not targets!
(a) No person shall act as an operating crew member of the flight crew of an aircraft if at the beginning of the flight the aggregate of all his previous flight times;
(1) during the period of 28(twenty eight) consecutive days expiring at the end of the day on which the flight begins exceeds 100(one hundred) block hours: or