Which Statements Regarding the Range of AS Number Are True

Which statements regarding the range of AS number are true? (Select 3 answers)

A) If 2-byte AS values are supported, the private AS number ranges from 32768 to 65535.
B) If 2-byte AS values are supported, the private AS number ranges from 64512 to 65535.
C) If 2-byte AS values are supported, the AS number ranges from 1 to 65535.
D) If 4-byte AS values are supported, then the 4-byte AS number is in the x.y format. Here, "x" and "y" are integers ranging from 1 to 65535 and 0 to 65535 respectively.