This app is a subnet calculator.
-Pickers for subnet mask and prefix length.
-Calculate addresses (network,host,directed broadcast).
-Copy to clipboard
-Binary digit view
=== Please note ===
"Special-Purpose" in version 3.0.0 and later is shown based on the RFC 6890(April 2013).
"special use" in version 2.4.1 and before is shown based on the RFC 5735 (January 2010).