What is the default subnet mask for B Class A network?
Mia Smith
Published Mar 12, 2026
What is the default subnet mask for B Class A network?
255.255.0.0
Default Subnet Mask
| IP Address Class | Default Subnet Mask |
|---|---|
| Class A | 255.0.0.0 |
| Class B | 255.255.0.0 |
| Class C | 255.255.255.0 |
What is a class B network?
A class B network is a type of network in the now-defunct classful networking architecture. Class B networks have IP addresses between 128.0. 0.0 and 191.255. 255.255. The Classful networking system has been superseded by CIDR (Classless Inter-Domain Routing) since 1993.
When would you use a class B network?
Class B IP addresses are used for medium and large-sized networks in enterprises and organizations. They support up to 65,000 hosts on 16,000 individual networks.
What is the default subnet mask for class B network Mcq?
0.0. We know that the default mask of a class B network is 255.255. 0.0.
What is the default subnet mask for a class B network quizlet?
The default subnet mask for a Class B is 255.255. 0.0.
What is a class B subnet used for?
Class B network addresses provide us with more subnet and host bits to manipulate, which can be fun, not painful, when it is done correctly. In my last Daily Drill Down, we borrowed bits from the host portion of a Class C network address. Class C network addresses only have eight bits to manipulate into subnets.
Which of the following is an example of a class A subnet mask?
You can determine the number and type of IP addresses any given local network requires based on its default subnet mask. An example of Class A IP address and subnet mask would be the Class A default submask of 255.0. 0.0 and an IP address of 10.20. 12.2.
What is the default subnet mask for a Class B IP version 4 address?
255.255
x.x. The default subnet mask for Class B is 255.255.
How many addresses are available in a class B network with the default subnet mask quizlet?
A default Class B is 255.255. 0.0. A Class B 255.255. 255.0 mask is 256 subnets, each with 254 hosts.
What is the subnet mask for a Class C IP address quizlet?
Class C addresses begin with 192 to 223. The default subnet mask for a Class C network is 255.255. 255.0.
How do I find my subnet mask for Class B?
2-2=510 subnets. 2-2=126 hosts per subnet. For the third octet, the mask would be 256-255=1, 2, 3, 4, 5, 6, etc. For the fourth octet, the mask would be 256-128=128, which is one subnet if it is used….Subnetting a Class B network address.
| Subnet | 64.0 | 128.0 |
|---|---|---|
| last host | 127.254 | 191.254 |
| broadcast | 127.255 | 191.255 |