Index: node_modules/ip-address/src/common.ts
===================================================================
--- node_modules/ip-address/src/common.ts	(revision 81bc7da776d8cda42939ef4ab350c88d13b4941f)
+++ node_modules/ip-address/src/common.ts	(revision 81bc7da776d8cda42939ef4ab350c88d13b4941f)
@@ -0,0 +1,55 @@
+import { Address4 } from './ipv4';
+import { Address6 } from './ipv6';
+
+export interface ReverseFormOptions {
+  omitSuffix?: boolean;
+}
+
+export function isInSubnet(this: Address4 | Address6, address: Address4 | Address6) {
+  if (this.subnetMask < address.subnetMask) {
+    return false;
+  }
+
+  if (this.mask(address.subnetMask) === address.mask()) {
+    return true;
+  }
+
+  return false;
+}
+
+export function isCorrect(defaultBits: number) {
+  return function (this: Address4 | Address6) {
+    if (this.addressMinusSuffix !== this.correctForm()) {
+      return false;
+    }
+
+    if (this.subnetMask === defaultBits && !this.parsedSubnet) {
+      return true;
+    }
+
+    return this.parsedSubnet === String(this.subnetMask);
+  };
+}
+
+export function numberToPaddedHex(number: number) {
+  return number.toString(16).padStart(2, '0');
+}
+
+export function stringToPaddedHex(numberString: string) {
+  return numberToPaddedHex(parseInt(numberString, 10));
+}
+
+/**
+ * @param binaryValue Binary representation of a value (e.g. `10`)
+ * @param position Byte position, where 0 is the least significant bit
+ */
+export function testBit(binaryValue: string, position: number): boolean {
+  const { length } = binaryValue;
+
+  if (position > length) {
+    return false;
+  }
+
+  const positionInString = length - position;
+  return binaryValue.substring(positionInString, positionInString + 1) === '1';
+}