Office 365 External IP Additions and Removals

Microsoft have changed a few of the External IP’s for 365, so if you have limited the IP addresses that you can connect to , be sure to update your Firewall otherwise ADFS auth , 365 Portal , Azure AD will start to have issues after 05/06/2015!

To Remove

  • 65.52.168.29
  • 137.116.64.98
  • 137.135.178.242
  • 138.91.142.85
  • 157.55.80.81
  • 168.61.152.89
  • 168.62.108.118
  • 168.63.104.53
  • 168.63.240.114

To Add

  • 104.43.140.223
  • 104.45.11.195
  • 104.45.214.112
  • 104.209.190.8
  • 23.101.14.229
  • 23.101.30.126
  • 23.102.155.140
  • 65.52.26.28
  • 191.237.218.239

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