O365 IP space

Tue Sep 25 18:40:43 UTC 2018

Microsoft also now publishes this data as a JSON and RSS and change log
available from
https://techcommunity.microsoft.com/t5/Office-365-Blog/Announcing-Office-365-endpoint-categories-and-Office-365-IP/ba-p/177638

On Tue, Sep 25, 2018 at 10:24 AM, Chien, Ryan <rchien at verisk3e.com> wrote:

> 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 at nanog.org> *On Behalf Of *Ken Matlock
> *Sent:* Tuesday, September 25, 2018 10:20 AM
> *To:* ml at kenweb.org
> *Cc:* NANOG <nanog at nanog.org>
> *Subject:* Re: O365 IP space
>
>
>
> This list?
>
>
>
> https://support.content.office.net/en-us/static/O365IPAddresses.xml
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__support.content.office.net_en-2Dus_static_O365IPAddresses.xml&d=DwMFaQ&c=birp9sjcGzT9DCP3EIAtLA&r=sqQMNfenuGWZfvPw2xpRcgpM9ZSFgu41ZF5latIZEjU&m=VBYtuXSPTTxmolNwQc1HbU5bCG3Ra_V7W2-CH99aMTI&s=JSlkyznYoa5TIferCRSBDkyCkm76YZXzn0vbD_o5WlE&e=>
>
>
>
> From the linked-above page (it's somewhat obscured).
>
>
>
> Ken
>
>
>
>
>
> On Tue, Sep 25, 2018 at 11:14 AM ML <ml at 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 at 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
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__docs.microsoft.com_en-2Dus_office365_enterprise_urls-2Dand-2Dip-2Daddress-2Dranges&d=DwMFaQ&c=birp9sjcGzT9DCP3EIAtLA&r=sqQMNfenuGWZfvPw2xpRcgpM9ZSFgu41ZF5latIZEjU&m=VBYtuXSPTTxmolNwQc1HbU5bCG3Ra_V7W2-CH99aMTI&s=_KHZHGMNq9Z9mueBRFvlAuEXTlrns3DZ_DXSlPUtRhI&e=>
>
> 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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-- 
Nick Kephart
ThousandEyes
Sr. Director of Product Management
m: 415-728-7415
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