Question

Which class kanna ipv4 address 191. 4.5.6 belong to?

Answer 1

The class of ipv4 address is as follows
Class A: 0.0.0.0 to 127.255.255.255
Class B :128.0.0.0 to 191.255.255.255
Class C: 192.0.0.0 to 223.255.255.255
Class D: 224.0.0.0 to 239.255.255.255
So,
the ip address 191.4.5.6 belongs to class B
Note:The follows ip address accounts for the following sharing among the total
Class A=50 %
Class B=25%
Class C=12.5%
Class D=12.5%
Also note that the first and the last address of each class cant be used to assign over an ip in a subnet which means 0.0.0.0 cant be assigned as an ip to a provider