OAI-SearchBot

Fully verifiable

OpenAI's crawler that indexes pages to power search results inside ChatGPT. It is distinct from GPTBot and is not used to gather training data.

Operated by OpenAI · Official documentation

User agents

Patterns this directory matches, with real observed strings.

regexOAI-SearchBot/\d
observedMozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36; compatible; OAI-SearchBot/1.4; +https://openai.com/searchbot

How to verify

Fetch the official IP range feed

curl -s https://openai.com/searchbot.json

IP ranges (35)

Refreshed daily from the operator's feed. Also available as /data/ips/oai-searchbot.ips and /data/bots/oai-searchbot.json.

104.210.140.128/28
135.234.64.0/24
172.182.193.224/28
172.182.193.80/28
172.182.194.144/28
172.182.194.32/28
172.182.195.48/28
172.182.209.208/28
172.182.211.192/28
172.182.213.192/28
172.182.224.0/28
172.203.190.128/28
20.14.99.96/28
20.168.18.32/28
20.169.6.224/28
20.169.7.48/28
20.169.77.0/25
20.171.123.64/28
20.171.53.224/28
20.25.151.224/28
20.42.10.176/28
4.227.36.0/25
40.67.175.0/25
40.90.214.16/28
51.8.102.0/24
74.7.175.128/25
74.7.228.0/25
74.7.228.128/25
74.7.229.0/25
74.7.229.128/25
74.7.230.0/25
74.7.241.128/25
74.7.242.128/25
74.7.243.0/25
74.7.244.0/25

Good Bot Practices scorecard

Identifies honestly
Stable UA token documented (1 pattern)
Verifiable
Fully verifiable
Respects robots.txt
Honors robots.txt (token: OAI-SearchBot)
Behaves
Crawl-rate behavior is operator-declared; not machine-verifiable from this dataset
Reachable operator
Operator and documentation published

Measured against the Good Bot Practices.