diff --git a/Casks/subnetcalc.rb b/Casks/subnetcalc.rb
new file mode 100644
index 00000000000..b55d1d2d4f7
--- /dev/null
+++ b/Casks/subnetcalc.rb
@@ -0,0 +1,7 @@
+class Subnetcalc < Cask
+  url 'http://subnetcalc.free.fr/download/subnetcalc-1.1.dmg'
+  homepage 'http://subnetcalc.free.fr/'
+  version '1.1'
+  sha1 '917fa9f5d50ffb7de14e4c69e75be50fc65f163a'
+  link 'SubnetCalc.app'
+end