Class B, if you are referring to classful addressing schemes.
192.168.0.254 is a valid "class C" IP address.
The First Octet is used to derive the Class of an IP address...... Eg: 192.168.1.1------ The IP class for this IP add is CLASS "C" as the first Octet is 192.
Class a
Class C address
Class B
class B
It belongs to the class A.
This is a class C address. This class ranges from 192.0.0.0 to 223.255.255.255
Class B Address
Class B network
The first octet determines the class, so-0-127 is Class 1128-191 is Class 2192-223 is Class 3So the IP address 203.12.176.55 is a Class 3 address.