35.221.64.0/20

ip:	35.221.64.0 0.64.221.35.bc.googleusercontent.com
loc:	Japan, Tokyo (Tokyo)  
isp:	AS396982 Google LLC » Google LLC » Google Cloud (asia-northeast1) 378.78 ms
route:	35.221.64.0/20, GOOGLE-CLOUD - Google LLC, US (Shibuya City) ... 
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:	  1.863 » latency: 239 ms (241ms) 

see also:
   35.220.0.0/14    AS396982  GOOGLE-CLOUD Google LLC, US