OAI-SearchBot

by OpenAI

About this crawler

OpenAI crawler used to surface sites in ChatGPT search results.

Usually means: A search or answer engine is discovering this URL so it can surface your content in results later.

User agent

OAI-SearchBot

Reignat matches these as user-agent tokens, not full browser strings. Providers may add surrounding version or product text.

IP verification

Verified when user agent and IP range both match

Reignat first matches the crawler user-agent token, then compares the request IP with published ranges from OpenAI.

1

User agent

Request user agent contains OAI-SearchBot.

2

Request IP

Server-side tracking forwards the crawler IP seen by your backend.

3

Range check

The IP is compared with published CIDR ranges from the JSON range endpoint.

Sample IP ranges

104.210.140.128/28135.234.64.0/24172.182.193.224/28172.182.193.80/28172.182.194.144/28172.182.194.32/28172.182.195.48/28172.182.209.208/28172.182.211.192/28172.182.213.192/28

Showing up to 10 ranges from the published official source.

Range endpoint

https://openai.com/searchbot.json