An IP address, or Internet Protocol address, is a unique identifier given to every machine that connects to the internet. It serves two main functions: identifying the host or network interface, and providing the location of the host in the network.

IPv4 addresses are divided into five classes: A, B, C, D, and E. Each class has a range of valid IP addresses. The value of the first octet determines the class.

1. Class A: This class is for large networks and has a range from 1.0.0.0 to 126.0.0.0. The first octet is for the network address and the remaining seven octets are for host addresses.

2. Class B: This class is for medium-sized networks. The range is from 128.0.0.0 to 191.255.0.0. The first two octets represent the network address and the remaining six are for host addresses.

3. Class C: This class is for small networks. The range is from 192.0.0.0 to 223.255.255.0. The first three octets are for the network address and the remaining five are for host addresses.

4. Class D: This class is for multicast groups and ranges from 224.0.0.0 to 239.255.255.255.

5. Class E: This class is reserved for future use or Research and Development purposes. It ranges from 240.0.0.0 to 255.255.255.254.

Each class allows for a different number of networks and hosts.

Question

An IP address, or Internet Protocol address, is a unique identifier given to every machine that connects to the internet. It serves two main functions: identifying the host or network interface, and providing the location of the host in the network.

IPv4 addresses are divided into five classes: A, B, C, D, and E. Each class has a range of valid IP addresses. The value of the first octet determines the class.

1. Class A: This class is for large networks and has a range from 1.0.0.0 to 126.0.0.0. The first octet is for the network address and the remaining seven octets are for host addresses.

2. Class B: This class is for medium-sized networks. The range is from 128.0.0.0 to 191.255.0.0. The first two octets represent the network address and the remaining six are for host addresses.

3. Class C: This class is for small networks. The range is from 192.0.0.0 to 223.255.255.0. The first three octets are for the network address and the remaining five are for host addresses.

4. Class D: This class is for multicast groups and ranges from 224.0.0.0 to 239.255.255.255.

5. Class E: This class is reserved for future use or Research and Development purposes. It ranges from 240.0.0.0 to 255.255.255.254.

Each class allows for a different number of networks and hosts.

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