IP address:IP address is an address having information about how to reach a specific host. The 32 bit IP address is divided into five sub classes. These are:1) Class A2) Class B3) Class C4) Class D5) Class EClass D and E are reserved for multicast and experimental purposes.IPv4 address:An IPv4 address is a 32 bits address, which is categorized into different IP classes.IPv4 addresses are divided into two parts: a) Network ID b) Host IDClass A: This class uses 24 bits for network ID part and 8 bit for host ID.Class B: This class uses 16 bits for network ID and 16 bits for host ID.Class C: This class uses 8 bits for network ID and 16 bits for host ID.Note:IPv6 is a128 bits address