35.199.0.0/20

ip:	35.199.0.0 0.0.199.35.bc.googleusercontent.com
loc:	United States, Washington (Washington, D.C.)  
isp:	AS396982 Google LLC » Google LLC » Google Cloud (us-east4) 1.145 ms
route:	35.199.0.0/20, GOOGLE-CLOUD - Google LLC, US (Washington D.C.) ... 
reg:	35.192.0.0/12, US, ARIN, 2017-03-21
asn:	AS396982 - GOOGLE-CLOUD-PLATFORM Google LLC, US
addr:	  1600 Amphitheatre Parkway Mountain View CA 94043 US
online:	  1.712 » latency: 108 ms (110ms) 

see also:
   35.199.0.0/17    AS396982  GOOGLE-CLOUD Google LLC, US