# What are the minimum host bits needed if the network has 25 hosts?

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## What are the minimum host bits needed if the network has 20 hosts?

So back to answer our initial question of the minimum subnet size to accommodate 20 hosts, the minimum number of host bits required is 5 bits (2^5 = 32).

## How many host bits are in a 24?

Number of bits for Class C networks — 24 bit mask = 255.255. 255.0, 32 bit mask = 255.255. 255.255. USABLE SUBNETS AND ADDRESSES The top and bottom host numbers of any subnet may not be used.

## What are the minimum host bits needed if the network has 40 devices?

In this example, since we need 40 addresses per network and we can allot addresses in powers of 2 (2, 4, 8, 16, 32, 64, 128, 256, and so on), the minimum number of addresses that would fulfil the requirement of 40 addresses is 64, which requires 6 bits for the hosts.

## How many networks does 25 have?

For Class B Networks

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/count
25 255.255.255.128 512
26 255.255.255.192 1024
27 255.255.255.224 2048

## How do you calculate the number of hosts in a network?

The formula for determining the number of hosts a network supports is 2n-2, where n is the number of bits used for the host.

1. 2n-2 is sometimes expressed as (2^n) – 2. Both indicate 2 raised to the power of n.
2. You subtract two to reserve one IP for the network ID and one for the broadcast address.

## What are the minimum host bits needed if the network has 30 hosts?

If you look at the design requirement of 30 hosts per network, you will discover that I only need 5 bits in the host ID portion of a Class C network to satisfy my requirement. By borrowing 3 bits, I can create 8 subnets: 192.168.

## How many individual addresses are there on a 22 network?

Class D

/20 255.255.240.0 16
/21 255.255.248.0 8
/22 255.255.252.0 4
/23 255.255.254.0 2

## How many bits are needed to represent 200 hosts?

Similarly, because you need up to 200 hosts per subnet, you need 8 host bits.

## How many usable IP addresses are available in a 25 network?

Subnet Cheat Sheet – 24 Subnet Mask, 30, 26, 27, 29, and other IP Address CIDR Network References