View LogicalRead Blog. View Resources. Contact Sales Online Quote. Free Subnet calculator IP subnet calculator is an easy-to-use online tool designed to help network administrators and IT professionals quickly and accurately calculate subnets on a network and use this information for network subnetting.
Advanced Subnet Calculator. Subnet Calculator? Set IP Address and Subnet allocation, subnets are calculated after changing focus or pressing enter key. IP address IPv4. Mask bits. Network Mask. Subnet bits. Number of subnets. Addresses per subnet. How does our free subnet calculator tool work? Based on these parameters, subnet calculator will immediately display the number of available IP addresses per subnet, and a range of IP addresses for each of the subnets, including start address, end address, network address, and broadcast address.
What can you use the free IP subnet calculator to do? The subnet calculator can help you with network subnetting. Although you can calculate subnets for your network manually, this process is extremely time-demanding and prone to errors such as the overlapping of two subnets—this could potentially result in routing problems as one address exists in more subnets.
Use our free network subnet calculator to make your work more efficient and design your network as needed. Get more features with IP Address Manager. Looking for more advanced subnet calculator features?
Information on network utilization Network scanning for identification of existing subnets Automated IP address tracking. Learn More Learn More. Get More on Subnet Calculators. What is subnetting? You might end up with: Unnecessary network traffic from hosts handling broadcasts sent over a single subnet Network security concerns caused by secured and unsecured servers using the same subnet A poorly organized overall structure. This facilitates faster troubleshooting and makes it easier for you to find info related to a specific department.
Subnetting with the help of a network subnet calculator allows you to compartmentalize and organize your network in a logical manner. Network Security: One of the biggest disadvantages of working within an unsubnetted network is it can compromise network security.
When devices use the same subnet, these devices can freely communicate with one another and share information. This can pose a problem if a server containing sensitive information and an employee workstation share the same subnet. The Tools button opens up a context menu with access to a wide range of other Solarwinds tools which can be easily installed and configured entirely for free!
By performing a lookup you can pull the data for response time, actual host, address class info for removing masks and exposing subnet details, and even includes a handy full display for both HEX and binary.
The lower portion further expands the subnet and breaks down CIDR information as well as providing owner information or data, if available, for the particular address and subnet range.
The second tab, Classful Subnet Calculator, contains another set of useful tools, this time for easy crunching of subnet values and masks, with a wide range of customization for the desired traits of the subnet. With a few simple clicks the number of hosts and subnets can be changed and the list generated in an instant to provide all the accurate subnet addresses you need. Once again we can also see the basic subnetting information — subnet bit mask, for example, is broken down into it's full unmasked length, providing a handy quick reference if needed.
The third tab, not shown above, looks almost identical to the classful tab but provides CIDR mask options for those making particular use of it. Basic Calculator is a straightforward utility for performing simple calculations. While it doesn't bring much to the table, it's free and easy to use. This programme is excellent for people who don't. Advanced IP Address Calculator, also known as Famatech is a free, open source program exclusively available for Windows-based PCs, which belongs to the class of networking software.
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