This "10" prefix is the defining characteristic of Classful addressing for this class. For a Class B IP address, the first two octets (the first two sets of numbers) are designated for the network identifier, while the last two octets are used for host identifiers within that network.
Class B IP Address Routing Efficiency Explained
These inefficiencies contributed to the rapid exhaustion of the IPv4 address space. Limitations and the Shift to CIDR Despite its initial logic, the rigid classful system proved inefficient.
The class of an address determined how this division was allocated. Conversely, a company slightly exceeding 65,000 hosts faced significant allocation hurdles.
Routing Efficiency in Class B IP Address Networks
Instead of storing a path to every single device, a router could simply know the path to the network "128. Address Structure Breakdown The structure of a Class B IP address allows for significant internal flexibility.
More About What is a class b ip address
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