16.148.0.0/17

ip:	16.148.0.0 ec2-16-148-0-0.us-west-2.compute.amazonaws.com
loc:	United States, Portland (Oregon)  
isp:	AS16509 Amazon.com, Inc. » Amazon.com, Inc. » AWS EC2 (us-west-2) 153.029 ms
route:	16.148.0.0/17, AMAZO-4 - Amazon.com, Inc., US ... 
reg:	16.148.0.0/16, US, ARIN, 2021-05-28
asn:	AS16509 - AMAZON-02 Amazon.com Inc., US
addr:	  
online:	  174 » latency: 184 ms (194ms) 

see also:
   16.148.0.0/16    AS16509  AMAZO-4 Amazon.com, Inc., US