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IP Subnet Calculator. This calculator returns a variety of information regarding Internet Protocol version 4 (IPv4) and IPv6 subnets including possible network addresses, usable host ranges, subnet mask, and IP class, among others.
The subnet calculator lets you enter a subnet range (CIDR) and see IP address information about that range You can type your range directly in CIDR notation, or use the optional Mask pull-down: 74.125.227.0/29. 74.125.227.0, then select Optional Mask from dropdown.
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- IP Type
- IP Class
- Network Address
- Total Number of Addresses
- Broadcast Address
- First and Last Host Addresses
- Wildcard Mask
- IP Address in Integer and Hexadecimal
- In-addr.arpa
- IPv4-mapped IPv6 Address
Check if the IP address is within any of the ranges of private IP addresses. If it is, then it is a private address. Otherwise, it is a public address. Looking at the ranges, we see that 192.168.86.42 is in the range 192.168.0.0 – 192.168.255.255- a private address.
Looking through the ranges of each class in the previous section, we see that the IP address 192.168.86.42 is in the range 192.0.0.0 - 223.255.255.255, so it is a Class C IP address.
Let's go through the calculation of the network address, step-by-step. 1. Convert both the IP address and subnet mask to binary, and write them down, one above the other. 11000000101010000101011000101010 11111111111111111111111100000000 2. Perform a bitwise logical AND operation by reading down a column at a time. If there are two ones, write a one...
Next, we'll calculate the total number of addresses, as we need that to work out the broadcast address. Use the equation for the total number of addresses, given that the CIDR is 24. 1. 2(32−CIDR)2^{(32 - \text{CIDR})}2(32−CIDR) 2. 2(32−24)2^{(32 - 24)}2(32−24) 3. 282^828 4. 256256256 So, the total number of addresses is 256.
Now, we can calculate the broadcast address. Convert the network address from binary to decimal, which gives 3,232,257,536. Add 256 - 1 to get 3,232,257,791. Then convert this back to binary, separate it into 8-bit blocks, and convert to decimal. 3,232,257,791 11000000101010000101011011111111 11000000.10101000.01010110.11111111 192.168.86.255 So, t...
For the first usable host address, we add one to the network address. While you can do all of the converting to a decimal number, adding one, and switching back to the quad-dotted decimal format, usually, it's easy to work directly with the quad-dotted decimal. Adding one to the network address 192.168.86.0 is simply a matter of adding one to the l...
To calculate the wildcard mask, convert the subnet mask to binary and flip all the bits. Then switch back to the quad-dotted decimal format. 1. 11111111111111111111111100000000– binary subnet mask 2. 00000000000000000000000011111111– bits are flipped 3. 0.0.0.255– convert back to quad-dotted decimal format The wildcard mask for our example is 0.0.0...
Using the binary form of the IP address, we can convert the binary number to integer (base 10) and hexadecimal (base 16). 1. 11000000101010000101011000101010– example IP address as a binary number 2. 3232257578– integer number 3. 0xc0a8562a– hexadecimal number
Reverse the example IP address 192.168.86.42 to get 42.86.168.192 and put it in front of in-addr.arpa to get 42.86.168.192.in-addr.arpa.
IPv4-mapped IPv6 addresses consist of the prefix ::ffff:followed by the IPv4 address, either displayed in hexadecimal (IPv6 native) format or the IPv4 quad-dotted decimal format. The results for our example IP address is: 1. ::ffff:c0a8:562a 2. ::ffff:192.168.86.42
IP Subnet Calculator tool divides a given IPv4 address network into the subnetworks by calculating helpful information like a Netmask, CIDR, Block size, Broadcast address, First IP and Last IP, Network address, Prefix length, and Cisco wildcard mask. You have to enter the IP Address and Subnet Mask (like 194.35.233.19/24), and this tool ...
A subnet calculator takes an IP address and a subnet mask as input and performs various calculations to determine the parameters of the subnet. It can also be used to determine the number of subnets that can be created from a given network and the number of addresses available in each subnet.
This online calculator helps you determine whether a network has enough hosts. also provides an easy way of translating between CIDR notation and dotted-decimal format if needed. Enter your subnet to get the subnet mask, wildcard mask, network/broadcast address, and number of assignable hosts.
This prefix length indicates the number of bits used for the network portion of the address. For example, "192.168.1.0/24" represents a subnet with a prefix length of 24 bits and a subnet mask of 255.255.255.0.
