News from 2026-10-27
OpenAI updates the ChatGPT-User IP list
In short
27 October 2026: OpenAI updates the ChatGPT-User IP list. openai.com/chatgpt-user.json carried creationTime 2026-10-27 when read on 2026-11-04. WAF allowlists built from earlier copies may miss new prefixes; OpenAI recommends allowing its published ranges. ChatGPT-User is OpenAI's live answer fetcher. Rows affected in this site: ChatGPT-User.
openai.com/chatgpt-user.json carried creationTime 2026-10-27 when read on 2026-11-04. WAF allowlists built from earlier copies may miss new prefixes; OpenAI recommends allowing its published ranges.
Primary source openai.com/chatgpt-user.json, read 2026-11-04.
Where it stands in the Index
- ChatGPT-User
- OpenAI, live answer fetch. Token
ChatGPT-User. Verification: ip list. Refused by 9.7% of top-10,000 sites.
Sources
Last reviewed 2026-11-04