In my world empires of the east like empires from China, India, and Indochina attempt a colonization of the Americas, Australia etc. Now considering that this colonization started in the 1400s and our colonizing contestants are (in no particular order):
The regions open for colonials are:
In this case which territories would be colonized by which empires.
*PS: in making the SE asian political landscape I have used Europa Universalis IV. if there is any mistake feel free to correct it.