15.253.128.0/17

ip:	15.253.128.0 ec2-15-253-128-0.us-west-2.compute.amazonaws.com
loc:	United States, Portland (Oregon)  
isp:	AS16509 Amazon.com, Inc. » Amazon.com, Inc. » AWS EC2 (us-west-2) 155.166 ms
route:	15.253.128.0/17, AMAZON-ZPDX - Amazon.com, Inc., US (Portland) ... 
reg:	15.253.0.0/16, US, ARIN, 2019-03-26
asn:	AS16509 - AMAZON-02 Amazon.com Inc., US
addr:	  410 Terry Ave N. Seattle WA 98109 US
online:	  6 » latency: 167 ms (167ms) 

see also:
   15.253.0.0/16    AS16509  AMAZON-ZPDX Amazon.com, Inc., US