nowwwwww i remember why i got the netgear..... cant change the last octet in the comcast gui 
http://postimg.org/image/7uawvuzsd/4c77d3c7/
http://postimg.org/image/7uawvuzsd/4c77d3c7/
you dont need to change that, its correct.
got it ok, changed the antminer to .200
praying thts what i was supposed to do... still no change in nslookup