The Advanced Subnet Calculator from SolarWinds is actually four tools in one.

Address Details:

Forward and reverse DNS resolution, response time, Address translation (Hexadecimal and Binary) and Address Class information. Also supports resolution of IP Address owner.

Classful Subnet Creator:

Full Function Subnet Calculator. No limited functionality! Calculates subnets based on Subnet Mask, Mask Bits, Host Bits, Number of Subnets and Hosts per Subnet. You can then generate a range of subnets based on these settings.

CIDR Calculator:

Includes full Support for Inter-Domain Routing (CIDR). Use of CIDR addresses reduce the size of routing tables and make more IP addresses available within organizations.

Subnet Addresses:

Will generate a list of addresses for any subnet. This can then becomes the working document to assign addresses. You can even assign addresses within SolarWinds Advanced Subnet Calculator and then print the worksheets… or Export to HTML or Excel.

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