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 <rch...@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-boun...@nanog.org> *On Behalf Of *Ken Matlock > *Sent:* Tuesday, September 25, 2018 10:20 AM > *To:* m...@kenweb.org > *Cc:* NANOG <nanog@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 <m...@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 <j...@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 > > > > > ------------------------------ > > This email is intended solely for the recipient. It may contain > privileged, proprietary or confidential information or material. If you are > not the intended recipient, please delete this email and any attachments > and notify the sender of the error. > -- Nick Kephart ThousandEyes Sr. Director of Product Management m: 415-728-7415