diff --git a/common/asn-input.js b/common/asn-input.js
index e1c6b7b3..13824993 100644
--- a/common/asn-input.js
+++ b/common/asn-input.js
@@ -1,7 +1,7 @@
 // The AS-number grammar shared by the ASN guards (server/guards.js) and the
 // tools that take a typed AS number (Whois, ASN Profile — via the
-// frontend/utils/asn-input.js bridge): up to ten digits, AS1 … AS4294967295,
-// `AS` prefix case-insensitive.
+// frontend/utils/ip/asn-input.js bridge): up to ten digits, AS1 …
+// AS4294967295, `AS` prefix case-insensitive.
 
 export const MAX_ASN = 4294967295;
 
diff --git a/common/mac-input.js b/common/mac-input.js
index 202bc211..e727d6e8 100644
--- a/common/mac-input.js
+++ b/common/mac-input.js
@@ -1,8 +1,8 @@
 // MAC Lookup query parsing, shared by the /api/macchecker handler and the
-// MacChecker form (via frontend/utils/mac-input.js). A query is a full
-// 48-bit address or any leading part of one, down to a 24-bit vendor prefix,
-// in the usual notations: colon / hyphen pairs, Cisco dotted quads, or bare
-// hex.
+// MacChecker form (via frontend/utils/features/mac-input.js). A query is a
+// full 48-bit address or any leading part of one, down to a 24-bit vendor
+// prefix, in the usual notations: colon / hyphen pairs, Cisco dotted quads,
+// or bare hex.
 
 export const MAC_HEX_LENGTH = 12;
 export const MAC_PREFIX_MIN_HEX = 6;
diff --git a/tests/asn-input.test.js b/tests/asn-input.test.js
index 36a16064..699deaa1 100644
--- a/tests/asn-input.test.js
+++ b/tests/asn-input.test.js
@@ -1,6 +1,6 @@
 // Tests for common/asn-input.js — the AS-number grammar shared by the ASN
 // guards, the Whois tool (prefix required) and ASN Profile (prefix
-// optional) — and its frontend/utils/asn-input.js re-export.
+// optional) — and its frontend/utils/ip/asn-input.js re-export.
 
 import assert from 'node:assert/strict';
 import { describe, it } from 'node:test';
diff --git a/tests/mac-input.test.js b/tests/mac-input.test.js
index 6d2d76bf..016b7da7 100644
--- a/tests/mac-input.test.js
+++ b/tests/mac-input.test.js
@@ -1,5 +1,6 @@
 // Tests for common/mac-input.js — the MAC Lookup query parser shared by
-// /api/macchecker and the MacChecker form (through frontend/utils/mac-input.js).
+// /api/macchecker and the MacChecker form (through
+// frontend/utils/features/mac-input.js).
 
 import assert from 'node:assert/strict';
 import { describe, it } from 'node:test';