diff --git a/Build/build-ai-cidr.ts b/Build/build-ai-cidr.ts
index 615b91e7..5c54c361 100644
--- a/Build/build-ai-cidr.ts
+++ b/Build/build-ai-cidr.ts
@@ -1,11 +1,16 @@
+import path from 'node:path';
 import { fastIpVersion } from 'foxts/fast-ip-version';
 import { SHARED_DESCRIPTION } from './constants/description';
+import { SOURCE_DIR } from './constants/dir';
 import { $$fetch } from './lib/fetch-retry';
+import { readFileIntoProcessedArray } from './lib/fetch-text-by-line';
 import { RulesetOutput } from './lib/rules/ruleset';
 import { SpanCategory, task } from './trace';
 
 const OPENAI_VOICE_IP_URL = 'https://openai.com/chatgpt-voice.json';
 
+const localAIIPRulesetPromise = readFileIntoProcessedArray(path.join(SOURCE_DIR, 'ip/ai.conf'));
+
 function parseOpenAIVoiceJSON(data: unknown) {
   if (
     data === null
@@ -70,14 +75,15 @@ export const buildAICIDR = task(require.main === module, __filename)(async (span
   }, SpanCategory.Network);
 
   return new RulesetOutput(span, 'ai', 'ip')
-    .withTitle('Sukka\'s Ruleset - ChatGPT Voice IP CIDR')
+    .withTitle('Sukka\'s Ruleset - AI IP CIDR')
     .appendDescription(
       SHARED_DESCRIPTION,
       '',
-      'This file contains IP ranges used by ChatGPT Voice.'
+      'This file contains IP ranges used by AI services, including ChatGPT Voice.'
     )
-    .withDate(lastUpdated)
+    // .withDate(lastUpdated) // With local source, we no longer use the upstream date for file date
     .appendDataSource(`${OPENAI_VOICE_IP_URL} (last updated: ${lastUpdated.toISOString()})`)
+    .addFromRuleset(localAIIPRulesetPromise)
     .bulkAddCIDR4NoResolve(cidr4)
     .bulkAddCIDR6NoResolve(cidr6)
     .write();
diff --git a/Source/ip/ai.conf b/Source/ip/ai.conf
new file mode 100644
index 00000000..4c673313
--- /dev/null
+++ b/Source/ip/ai.conf
@@ -0,0 +1,9 @@
+# $ custom_build_script
+# Merged with the ChatGPT Voice IP ranges fetched in Build/build-ai-cidr.ts
+
+# Add AI service IP rules below, e.g.
+# IP-CIDR,192.0.2.0/24,no-resolve
+# IP-CIDR6,2001:db8::/32,no-resolve
+
+# >> Anthropic / Claude
+IP-ASN,399358
diff --git a/Source/non_ip/ai.conf b/Source/non_ip/ai.conf
index 36f43c3d..45a4b1b9 100644
--- a/Source/non_ip/ai.conf
+++ b/Source/non_ip/ai.conf
@@ -28,10 +28,13 @@ DOMAIN-KEYWORD,openai
 # >> Perplexity
 DOMAIN-SUFFIX,perplexity.ai
 
-# >> Claude
+# >> Anthropic / Claude
 DOMAIN-SUFFIX,anthropic.com
 DOMAIN-SUFFIX,claude.ai
 DOMAIN-SUFFIX,claude.com
+# For the record, I don't believe Claude will use Short URLs to geo blocking.
+# However, since there is some conspiracy theories surrounding it, I will include it.
+DOMAIN-SUFFIX,clau.de
 
 # >> Google
 # Gemini