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

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

Minimum subnet size to accommodate a number of hosts

No. of Host Bits Equivalent prefix length Number of usable IP addresses
5 /27 25-2 = 30
6 /26 26-2 = 62
7 /25 27-2 = 126
8 /24 28-2 = 254

How many hosts are in a 20 subnet?

IPv6 Subnet Calculator

Prefix size Network mask Usable hosts per subnet
/20 255.255.240.0 4,094
/21 255.255.248.0 2,046
/22 255.255.252.0 1,022
/23 255.255.254.0 510

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.

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What is the maximum number of hosts in a 20 subnet?

Class A

Network Bits Subnet Mask Number of Hosts
/20 255.255.240.0 4094
/21 255.255.248.0 2046
/22 255.255.252.0 1022
/23 255.255.254.0 510

What is the subnet mask of 25?

Subnet Mask Cheat Sheet

Addresses Netmask
/ 27 32 255.255.255.224
/ 26 64 255.255.255.192
/ 25 128 255.255.255.128
/ 24 256 255.255.255.0

What does 23 mean in IP address?

Understanding CIDR Subnet Mask Notation

Subnet Mask CIDR Prefix Total IP Addresses
255.255.254.0 /23 512
255.255.252.0 /22 1024
255.255.248.0 /21 2048
255.255.240.0 /20 4096

How do you calculate the number of hosts?

To calculate the number of possible hosts per subnet, use the formula 2h – 2, where h equals the number of host bits. The reason two addresses must be subtracted is because of the network address and the broadcast address.

How many hosts are in a 24?

1.0/24. It supports 254 usable IP addresses in the range of 192.168. 1.1 through 192.168. 1.254.

How many usable IP addresses are there in a 20 bit subnet?

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

CIDR Subnet mask # of usable IP addresses
/20 255.255.240.0 4,094
/19 255.255.224.0 8,190
/18 255.255.192.0 16,382
/17 255.255.128.0 32,766

How many bits are needed to represent 200 hosts?

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

What is the minimum number of host bits needed to support 510 hosts on the network?

bits supplies only 28 – 2 (254) hosts per subnet, but a mask with 9 host bits supplies 29 – 2 (510) hosts per subnet. So, the mask needs at least 9 host bits.

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What is host bits and network bit?

An IP address is 32 bits long and made up of two components, a network portion and a host portion. The network address is used to identify the network and is common to all the devices attached to the network. The host (or node) address is used to identify a particular device attached to the network.