Your question: How many subnets and host in each subnet can be obtained from the network 172 28 0 0 21?

How many subnets can you create with a 28 subnet mask?

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

CIDR Subnet mask # of usable IP addresses
/30 255.255.255.252 2
/29 255.255.255.248 6
/28 255.255.255.240 14
/27 255.255.255.224 30

How many hosts are in a 28 subnet?

IPv6 Subnet Calculator

Prefix size Network mask Usable hosts per subnet
/28 255.255.255.240 14
/29 255.255.255.248 6
/30 255.255.255.252 2
/31 255.255.255.254

How many subnets and hosts per subnet can you get from the network?

255.255. 240.0 is a /20 subnet mask, therefore there are 4 borrowed bits (from the 3rd octet). Number of hosts on each subnetwork = (2 to the power 4) – 2 (i.e. 4 bits in host portion of address), which gives 14.

How do you calculate subnets and hosts per subnet?

This means that to create at least 18 subnets, 5 host bits must be borrowed. 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.

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How many hosts are in a 23 subnet?

Subnet Mask Cheat Sheet

Addresses Hosts
/ 25 128 126
/ 24 256 254
/ 23 512 510
/ 22 1024 1022

How many subnets can be created?

Having 5 bits available for defining subnets means that we can have up to 32 (2^5) different subnets. It should be noted that in the past using subnet zero (00000—) and all-ones subnet (11111—) was not allowed.

How many subnets and hosts are provided by the network address of 172.16 0.0 19?

Solution(By Examveda Team)

This is a Class B address, so that is only 3 subnet bits, but it provides 13 host bits, or 8 subnets, each with 8,190 hosts.

What is the subnet mask of 172.16 0.0 16?

IP Subnet Calculator

CIDR block IP range (network – broadcast) Subnet Mask
172.16.0.0/17 172.16.0.0 – 172.16.127.255 255.255.128.0
172.16.0.0/16 172.16.0.0 – 172.16.255.255 255.255.0.0
172.16.0.0/15 172.16.0.0 – 172.17.255.255 255.254.0.0
172.16.0.0/14 172.16.0.0 – 172.19.255.255 255.252.0.0