Given the IP address 172.16.170.15 255.255.224.0, which three options are the subnet that this IP address belongs to, the host IP address range on this subnet, and the subnet broadcast IP address?

A.	subnet = 172.16.160.0/19
B.	subnet = 172.16.170.0/19
C.	subnet = 172.16.192.0/19
D.	host IP address range = 172.16.160.1 to 172.16.191.254
E.	host IP address range = 172.16.160.1 to 172.16.223.254
F.	host IP address range = 172.16.170.1 to 172.16.170.254
G.	subnet broadcast IP address = 172.16.170.255
H.	subnet broadcast IP address = 172.16.191.255
I.	subnet broadcast IP address = 172.16.223.255