Vibhanshu Shekhar, Visiting Fellow at the East-West Center in Washington, explains that “The Indonesian leadership views ASEAN as too small, weak, and disunited to adequately represent the country’s national interests in the Indo-Pacific region…[leading] to an increasingly marginal position of ASEAN in Jakarta’s regional diplomacy.”

http://www.eastwestcenter.org/publications/realist-indonesia%E2%80%99s-drift-away-asean