Update, insert new ping method

Took 29 minutes

node_modules/ip-address/lib/common.js

@@ -0,0 +1,39 @@
+'use strict';
+
+// A wrapper function that returns false if the address is not valid; used to
+// avoid boilerplate checks for `if (!this.valid) { return false; }`
+var falseIfInvalid = exports.falseIfInvalid = function (fn) {
+  return function () {
+    if (!this.valid) {
+      return false;
+    }
+
+    return fn.apply(this, arguments);
+  };
+};
+
+exports.isInSubnet = falseIfInvalid(function (address) {
+  if (this.subnetMask < address.subnetMask) {
+    return false;
+  }
+
+  if (this.mask(address.subnetMask) === address.mask()) {
+    return true;
+  }
+
+  return false;
+});
+
+exports.isCorrect = function (defaultBits) {
+  return falseIfInvalid(function () {
+    if (this.addressMinusSuffix !== this.correctForm()) {
+      return false;
+    }
+
+    if (this.subnetMask === defaultBits && !this.parsedSubnet) {
+      return true;
+    }
+
+    return this.parsedSubnet === String(this.subnetMask);
+  });
+};