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OpenAI · ChatGPT

ChatGPT-User

Fetches a page when someone asks ChatGPT a question. Here is how to recognise it, verify it, and allow or block it.

Company
OpenAI
Product
ChatGPT
Why it visits
Answering someone right now
How to verify
Published IP list
User-agent contains
ChatGPT-User

How to tell a real ChatGPT-User from a fake

  1. The user-agent contains ChatGPT-User. On its own this proves nothing: fakes copy it.
  2. The visit’s IP address is inside OpenAI’s published list (openai-chatgpt-user, below). If it isn’t, it’s a fake.

Check a ChatGPT-User visit

IP ranges: openai-chatgpt-user

234 ranges · updated 12 Oct 2026 · source openai.com

Show all 234 ranges
104.208.184.192/28 104.210.139.192/28 104.210.139.224/28 128.85.198.32/28 13.65.138.112/28 13.67.72.16/28 13.71.2.208/28 13.76.116.80/28 13.76.32.208/28 13.83.167.128/28 13.83.237.176/28 132.196.82.48/28 134.138.52.128/28 134.138.52.16/28 134.138.52.64/28 134.138.52.96/28 134.138.57.176/28 134.138.57.64/28 134.138.57.80/28 134.138.58.32/28 134.149.233.80/28 134.33.102.192/28 135.116.136.160/28 135.13.64.240/28 135.220.73.208/28 135.220.73.240/28 135.237.131.208/28 135.237.133.48/28 137.135.191.176/28 138.91.46.96/28 145.132.136.96/28 158.158.5.32/28 168.63.252.240/28 172.162.248.64/28 172.170.1.80/28 172.170.225.0/28 172.170.241.80/28 172.172.206.48/28 172.175.152.224/28 172.178.140.144/28 172.178.141.112/28 172.178.141.128/28 172.183.143.224/28 172.183.222.128/28 172.192.112.208/28 172.197.160.192/28 172.197.203.16/28 172.198.161.128/28 172.198.58.176/28 172.198.78.192/28 172.198.79.112/28 172.199.137.80/28 172.204.28.224/28 172.204.96.80/28 172.205.189.192/28 172.206.38.240/28 172.207.1.32/28 172.212.172.160/28 172.215.215.32/28 191.232.238.96/28 191.233.197.0/28 191.233.199.160/28 191.234.167.144/28 191.235.99.160/28 191.237.249.64/28 20.102.212.144/28 20.113.211.112/28 20.113.225.112/28 20.125.112.224/28 20.125.144.144/28 20.161.75.208/28 20.168.7.192/28 20.169.73.32/28 20.169.73.64/28 20.169.78.128/28 20.169.78.160/28 20.169.78.192/28 20.169.78.48/28 20.169.78.64/28 20.169.86.224/28 20.169.86.240/28 20.170.184.16/28 20.170.184.32/28 20.170.184.48/28 20.170.184.64/28 20.170.184.80/28 20.172.29.32/28 20.199.211.160/28 20.199.242.0/28 20.200.212.240/28 20.206.101.192/28 20.210.211.192/28 20.212.62.208/28 20.215.187.208/28 20.215.219.128/28 20.215.219.160/28 20.215.219.208/28 20.218.30.240/28 20.219.161.192/28 20.219.184.96/28 20.219.71.192/28 20.222.36.192/28 20.227.140.32/28 20.228.106.176/28 20.235.87.224/28 20.249.63.208/28 20.250.136.64/28 20.250.6.128/28 20.254.201.208/28 20.45.178.144/28 20.55.229.144/28 20.57.199.192/28 20.63.180.96/28 20.63.221.64/28 20.78.130.48/28 20.83.243.176/28 20.98.18.80/28 23.101.217.176/28 23.102.140.144/28 23.102.141.32/28 23.98.142.176/28 23.98.186.176/28 23.98.186.192/28 23.98.186.64/28 23.98.186.96/28 4.151.119.48/28 4.151.71.176/28 4.189.118.208/28 4.189.119.48/28 4.197.115.112/28 4.197.22.112/28 4.197.64.0/28 4.197.64.16/28 4.197.64.48/28 4.197.64.64/28 4.201.232.64/28 4.205.128.176/28 4.218.24.64/28 4.226.200.16/28 4.226.226.32/28 40.116.73.208/28 40.119.36.240/28 40.124.161.0/28 40.74.200.208/28 40.81.234.144/28 40.81.67.96/28 40.84.221.208/28 40.84.221.224/28 48.221.184.80/28 48.221.184.96/28 48.221.40.176/28 51.116.2.80/28 51.116.221.96/28 51.57.0.96/28 51.59.24.64/28 51.59.24.80/28 51.59.48.80/28 51.8.155.112/28 51.8.155.48/28 52.148.129.32/28 52.156.77.144/28 52.159.227.32/28 52.159.249.96/28 52.161.49.96/28 52.165.212.48/28 52.172.129.160/28 52.173.219.112/28 52.173.219.96/28 52.173.221.16/28 52.173.221.176/28 52.173.221.208/28 52.173.234.16/28 52.173.234.80/28 52.183.217.240/28 52.190.137.144/28 52.190.137.16/28 52.190.139.48/28 52.190.142.64/28 52.190.190.16/28 52.190.251.112/28 52.225.75.208/28 52.231.30.48/28 52.231.34.176/28 52.231.39.144/28 52.231.50.64/28 52.236.94.144/28 52.241.146.208/28 52.242.132.224/28 52.242.132.240/28 52.255.109.144/28 52.255.109.80/28 52.255.109.96/28 52.255.111.0/28 52.255.111.80/28 57.154.174.112/28 57.154.175.0/28 57.154.187.32/28 68.154.28.96/28 68.220.57.64/28 70.153.189.192/28 70.153.32.16/28 70.153.32.32/28 70.153.87.224/28 70.156.152.96/28 74.161.200.96/28 74.224.217.64/28 74.226.253.160/28 74.248.37.160/28 74.7.35.112/28 74.7.35.48/28 74.7.36.64/28 74.7.36.80/28 74.7.36.96/28 85.211.128.16/28 85.211.128.32/28 9.129.0.0/17 9.160.128.16/28 9.160.128.64/28 9.160.163.128/28 9.160.34.144/28 9.160.36.16/28 9.160.96.16/28 9.163.101.48/28 9.205.128.32/28 9.205.128.48/28 9.205.25.128/28 9.205.30.128/28 9.205.30.144/28 9.205.30.176/28 9.205.8.48/28 9.205.8.64/28 9.223.181.208/28 9.234.96.192/28 9.234.97.96/28

Recent changes to these ranges

No changes recorded yet. When a company adds or removes ranges, it shows up here (lists are checked every day).

Allow or block ChatGPT-User in robots.txt

Block it everywhere:

User-agent: ChatGPT-User Disallow: /

Allow it everywhere:

User-agent: ChatGPT-User Allow: /

This bot fetches pages for people asking ChatGPT right now. Blocking it can stop your pages being opened or cited in its answers. Fake bots ignore robots.txt: block them by address in your firewall instead.