13.52.0.0/14

ip:	13.52.0.0 ec2-13-52-0-0.us-west-1.compute.amazonaws.com
loc:	United States, San Jose (California)  
isp:	AS16509 Amazon.com, Inc. » Amazon.com, Inc. » AWS EC2 (us-west-1) 138.854 ms
route:	13.52.0.0/14, AMAZO-ZSYD - Amazon Corporate Services Pty Ltd, AU (San Jose) ... 
reg:	13.48.0.0/13, US, ARIN, 2020-08-05
asn:	AS16509 - AMAZON-02 Amazon.com Inc., US
addr:	  410 Terry Ave N. Seattle WA 98109 US
online:	  12.848 » latency: 207 ms (156ms) 

see also:
   13.52.0.0/16     AS16509  AMAZON-SFO Amazon.com, Inc., US
   13.53.0.0/16     AS16509  AMAZON-ARN Amazon Data Services Sweden, SE
   13.54.0.0/15     AS16509  AMAZO-ZSYD Amazon Corporate Services Pty Ltd, AU