The IPs have changed a few times since the document’s inception, so I cross referenced the documented O365 IPs with ARIN’s database. I then chose to implement the CIDR as defined by ARIN (YMMV).
https://whois.arin.net/rest/
org/MSFT/nets https://whois.arin.net/rest/
org/MSFT-Z/nets
Ryan
From: NANOG <nanog-bounces@nanog.org> On Behalf Of Ken Matlock
Sent: Tuesday, September 25, 2018 10:20 AM
To: ml@kenweb.org
Cc: NANOG <nanog@nanog.org>
Subject: Re: O365 IP space
This list?
From the linked-above page (it's somewhat obscured).
Ken
On Tue, Sep 25, 2018 at 11:14 AM ML <ml@kenweb.org> wrote:
In the past I've pulled down an XML file that included the IP space for all of the O365 products. Then I filtered, sorted and aggregated what I wanted for my internal use via a script.
On 9/25/2018 12:35 PM, David Bass wrote:
Sorry, I should have stated that I have already searched, and have seen the above mentioned docs as well as everything else on the first page of the search results.
I guess what I was looking for was to see if somebody has already consolidated that list in to something easier to work with.
On Tue, Sep 25, 2018 at 11:26 AM Job Snijders <job@ntt.net> wrote:
On Tue, Sep 25, 2018 at 12:18:50PM -0400, Steve Meuse wrote:
> https://docs.microsoft.com/en-us/office365/enterprise/urls- and-ip-address-ranges
I think it is cool that companies take the time and effort to publish
such useful lists. Keep it up!
Kind regards,
Job
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