34.64.72.0/21

ip:	34.64.72.0 0.72.64.34.bc.googleusercontent.com
loc:	South Korea, Seoul (Seoul)  
isp:	AS396982 Google LLC » Google LLC » Google Cloud (asia-northeast3) 1.225 ms
route:	34.64.72.0/21, KR-11-3 - Google Cloud Asia Pacific Seoul Region, KR (Seoul) ... 
reg:	34.64.0.0/10, US, ARIN, 2018-09-28
asn:	AS396982 - GOOGLE-CLOUD-PLATFORM Google LLC, US
addr:	  20 Floor Gangnam Finance Center 152 Teheran-ro Gangnam-gu Seoul 6236 KR
online:	  919 » latency: 268 ms (270ms) 

see also:
   34.64.0.0/11     AS396982  GOOGL-2 Google LLC, US
   34.64.0.0/12     AS396982  GOOGL-2 Google LLC, US
   34.64.0.0/14     AS396982  GOOGL-2 Google LLC, US
   34.64.0.0/16     AS139070  GOOGLE-CLOUD Google Asia Pacific Pte. Ltd., SG