How many subnets are there?
How Many Hosts and How Many Subnets
| Address | 8.1.4.5/16 | 130.4.102.1/22 |
|---|---|---|
| Number of host bits | 16 | 10 |
| Number of subnet bits | 8 | 6 |
| Number of hosts per subnet | 216 – 2, or 65,534 | 210 – 2, or 1022 |
| Number of subnets | 28 – 2, or 254 | 26 – 2, or 62 |
What is 24 subnet mask?
A subnetwork or subnet is a logical subdivision of an IP network. 100.0/24 is the prefix of the Internet Protocol version 4 network starting at the given address, having 24 bits allocated for the network prefix, and the remaining 8 bits reserved for host addressing. Addresses in the range 198.51.
How many subnets are in a 17?
| Network Bits | Subnet Mask | Number of Subnets |
|---|---|---|
| /16 | 255.255.0.0 | 256 (254) |
| /17 | 255.255.128.0 | 512 (510) |
| /18 | 255.255.192.0 | 1024 (1022) |
| /19 | 255.255.224.0 | 2048 (2046) |
What is the maximum number of subnets?
Maximum number of subnets = 2^6-2 =62. Note that 2 is subtracted from 2^6. The RFC 950 specification reserves the subnet values consisting of all zeros (see above) and all ones (broadcast), reducing the number of available subnets by two. Maximum number of hosts is 2^10-2 = 1022.
How many subnets are in a 19?
Subnet Mask Cheat Sheet
| Addresses | Netmask | |
|---|---|---|
| / 22 | 1024 | 255.255.252.0 |
| / 21 | 2048 | 255.255.248.0 |
| / 20 | 4096 | 255.255.240.0 |
| / 19 | 8192 | 255.255.224.0 |
How many subnets does a 22 have?
Subnet Mask Cheat Sheet
| Addresses | Netmask | |
|---|---|---|
| / 23 | 512 | 255.255.254.0 |
| / 22 | 1024 | 255.255.252.0 |
| / 21 | 2048 | 255.255.248.0 |
| / 20 | 4096 | 255.255.240.0 |
How to calculate the length of a subnet in CIDR?
So with CIDR, we just have a network represented by a network address and a prefix length e.g. 192.45.96.0/22. Note: In the CIDR example I used above (192.45.96.0/22), this address block will be seen as Class C in a classful network.
How to calculate the size of a subnet?
How to Calculate Subnets. Subnets and Hosts Borrow 2 bits. S S H H H H H H # of subnets = 2 2 = 4 Subnet mask = 2 bits = 128 + 64 = 192 Range of hosts = 2 6 = 64 TT Range Useable Range Network ID 0 – 63 64 – 127 65 – 126 128 – 191 129 – 190 Broadcast 192 – 255 Address.
What is the maximum number of subnets and hosts?
Maximum number of subnets and hosts available in the specified subnet mask. Max Subnets = 2 subnet_bits Max Hosts = 2 host_bits – 2 (subtraction of network and broadcast addresses.
How to calculate subnet id and host bit usage?
Select Mask in dotted-decimal format or by adjusting network bits or max sub-networks you want. Provides calculations using IP address and Mask (sub-net bits, max networks, host bits, max hosts); Subnet ID, Broadcast, Host addresses, Wildcard mask and class bit usage bitmap are provided as calculation results;
