Fail to understand the output of numpy.random.RandomState()

When I do the following in Python:

>>> import numpy
>>> numpy.random.RandomState()

it returns RandomState(MT19937) at 0x2BABD069FBA0. I understand the first part of the output, but I fail to understand the meaning of the hexadecimal part. It doesn't seem to be the random seed as well. I tried to check online but couldn't find any information on this. Please may I ask if anyone understands the meaning of the hexadecimal number? Many thanks!