16.58.0.0/16

ip:	16.58.0.0 ec2-16-58-0-0.us-east-2.compute.amazonaws.com
loc:	United States, Dublin (Ohio)  
isp:	AS16509 Amazon.com, Inc. » Amazon.com, Inc. » AWS EC2 (us-east-2) 494.766 ms
route:	16.58.0.0/16, AMAZO-4 - Amazon.com, Inc., US (Columbus) ... 
reg:	16.58.0.0/16, US, ARIN, 2020-04-29
asn:	AS16509 - AMAZON-02 Amazon.com Inc., US
addr:	  Amazon Web Services Inc. P.O. Box 81226 Seattle WA 98108-1226 US
online:	  3.769 » latency: 130 ms (132ms) 

see also:
   16.58.0.0/17     AS16509  AMAZO-4 Amazon.com, Inc., US
   16.58.128.0/17   AS16509  AMAZO-4 Amazon.com, Inc., US