diff --git a/generate_all.sh b/generate_all.sh
index cb33900..20c4364 100755
--- a/generate_all.sh
+++ b/generate_all.sh
@@ -36,6 +36,7 @@ python3 generate-tenable.py
 python3 generate-microsoft-azure-appid.py
 python3 generate-chrome-crux-1m.py
 python3 generate-digitalside.py
+python3 generate-gptbot.py
 popd
 
 ./jq_all_the_things.sh
diff --git a/lists/openai-gptbot/list.json b/lists/openai-gptbot/list.json
new file mode 100644
index 0000000..7d39f78
--- /dev/null
+++ b/lists/openai-gptbot/list.json
@@ -0,0 +1,20 @@
+{
+  "description": "OpenAI gptbot crawler (https://openai.com/gptbot-ranges.txt)",
+  "list": [
+    "20.15.240.176/28",
+    "20.15.240.64/27",
+    "20.15.240.96/28",
+    "20.15.241.0/28",
+    "20.15.242.128/27",
+    "20.15.242.192/28",
+    "40.83.2.64/28"
+  ],
+  "matching_attributes": [
+    "ip-src",
+    "ip-dst",
+    "domain|ip"
+  ],
+  "name": "List of known IP address ranges for OpenAI GPT crawler bot",
+  "type": "cidr",
+  "version": 20230808
+}
diff --git a/tools/generate-gptbot.py b/tools/generate-gptbot.py
new file mode 100755
index 0000000..cb760cc
--- /dev/null
+++ b/tools/generate-gptbot.py
@@ -0,0 +1,34 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+import json
+
+from generator import download_to_file, get_version, write_to_file, get_abspath_source_file, consolidate_networks
+
+
+def process(file, dst):
+    l = []
+    with open(get_abspath_source_file(file), 'r') as freetext_file:
+        for line in freetext_file:
+            cidr = line.rstrip()
+            l.append(cidr)
+
+    warninglist = {
+        'name': 'List of known IP address ranges for OpenAI GPT crawler bot',
+        'version': get_version(),
+        'description': 'OpenAI gptbot crawler (https://openai.com/gptbot-ranges.txt)',
+        'type': 'cidr',
+        'list': consolidate_networks(l),
+        'matching_attributes': ["ip-src", "ip-dst", "domain|ip"]
+    }
+
+    write_to_file(warninglist, dst)
+
+
+if __name__ == '__main__':
+    gptbot_url = "https://openai.com/gptbot-ranges.txt"
+    gptbot_file = "openai-gptbot-ranges.json"
+    gptbot_dst = "openai-gptbot"
+
+    download_to_file(gptbot_url, gptbot_file)
+    process(gptbot_file, gptbot_dst)