20.36.0.0/14

ip:	20.36.0.0 
loc:	United States, Quincy (Washington)  
isp:	AS8075 Microsoft Corporation » Microsoft Corporation » Microsoft Azure Cloud (westus2) 160.509 ms
route:	20.36.0.0/14, MSFT - Microsoft Corporation, US (Redmond) ... 
reg:	20.36.0.0/14, US, ARIN, 2017-10-18
asn:	AS8075 - MICROSOFT-CORP-MSN-AS-BLOCK Microsoft Corporation, US
addr:	  One Microsoft Way Redmond WA 98052 US
online:	  17.230 » latency: 174 ms (168ms) 

see also:
   20.37.64.0/19    AS8075   MSFT Microsoft Corporation, US
   20.39.58.0/23    AS8069   MSFT Microsoft Corporation, US