35.221.48.0/20

ip:	35.221.48.0 0.48.221.35.bc.googleusercontent.com
loc:	United States, Washington (Washington, D.C.)  
isp:	AS396982 Google LLC » Google LLC » Google Cloud (us-east4) 419.28 ms
route:	35.221.48.0/20, GOOGLE-CLOUD - Google LLC, US (Washington D.C.) ... 
reg:	35.208.0.0/12, US, ARIN, 2017-09-29
asn:	AS396982 - GOOGLE-CLOUD-PLATFORM Google LLC, US
addr:	  1600 Amphitheatre Parkway Mountain View CA 94043 US
online:	  1.649 » latency: 108 ms (108ms) 

see also:
   35.220.0.0/14    AS15169  GOOGLE-CLOUD Google LLC, US