
ShoichiroK.00155 (LAC Co., Ltd) asked a question.
About the Update Frequency of the IP Address Allowlist
https://s3.amazonaws.com/okta-ip-ranges/ip_ranges.json
Could you please inform me whether there is a predetermined frequency for changing this IP address, or is it unpredictable?

Hello @ShoichiroK.00155 (LAC Co., Ltd) Thank you for posting on our Community page!
The changes to the list are unpredictable, as these IP changes are coming from AWS and not Okta.
As per our doc:
"Okta does not maintain a static list of individual IP addresses to allow for inbound traffic. Instead, the list is periodically updated due to the provisioning of additional servers"
https://okta-support.pixtulate.com/help/s/article/list-of-ip-addresses-that-should-be-allowlisted-for-inbound-traffic?language=en_US
Thank you for reaching out to our Community and have a great day!
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