MCQ-35 | Understanding Classful IP Addressing: Last IPv4 Address of Class-B

*Question-35: What is Last IPv4 address of Class-B?*

The last IPv4 address of Class B would be 191.255.255.255.

Class B IP addresses are defined as those that have their first octet in the range of 128 to 191, with the first two octets being the network portion and the last two octets being the host portion. The first address in the Class B range is 128.0.0.0 and the last address is 191.255.255.255.

It's worth noting that these days, the majority of IPv4 addresses have already been allocated and the remaining ones are being carefully managed by regional Internet registries to ensure their efficient usage. Additionally, the world is rapidly transitioning to IPv6, which has a vastly larger address space and is designed to meet the growing demands of the Internet.

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