Update library/helpers/mapIPv4ToIPv6.ts

timokoessler · bitterpanda63 · web-flow · commit 4051df4eb780 · 2025-03-20T15:05:08.000+01:00
Co-authored-by: BitterPanda &lt;bitterpanda@proton.me&gt;
diff --git a/library/helpers/mapIPv4ToIPv6.ts b/library/helpers/mapIPv4ToIPv6.ts
@@ -10,5 +10,6 @@ export default function mapIPv4ToIPv6(ip: string): string {
 
   const parts = ip.split("/");
   const suffix = Number.parseInt(parts[1], 10);
+  // we add 96 to the suffix, since ::ffff: already is 96 bits, so the 32 remaining bits are decided by the IPv4 address
   return `::ffff:${parts[0]}/${suffix + 96}`;
 }

Original file line number	Diff line number	Diff line change
`@@ -10,5 +10,6 @@ export default function mapIPv4ToIPv6(ip: string): string {`
`10`	`10`
`11`	`11`	`const parts = ip.split("/");`
`12`	`12`	`const suffix = Number.parseInt(parts[1], 10);`
	`13`	`+ // we add 96 to the suffix, since ::ffff: already is 96 bits, so the 32 remaining bits are decided by the IPv4 address`
`13`	`14`	return `::ffff:${parts[0]}/${suffix + 96}`;
`14`	`15`	`}`