Notifications for Office 365 IP address changes

Frequent Contributor

I tried to use this Github script ( to create notifications, but unfortunately it's not possible anymore to create JavaScript Azure functions?


How are you guys stay informed about IP changes?

3 Replies
best response confirmed by Thomsch (Frequent Contributor)

@Linus Cansby Thanks. I'll recommend that to the security guys.

Most modern enterprise firewalls have different methods to subscribe to these lists and automatic add and remove new addresses. But your security folks probably known how to configure that if they want to.

Other formats of the IP ranges can be found here: