3.172.124.0/24

ip:	3.172.124.0 
loc:	United States, Boston (Massachusetts)  
isp:	AS16509 Amazon.com, Inc. » Amazon.com, Inc. » AWS CloudFront Origin Facing (GLOBAL) 268.056 ms
route:	3.172.124.0/24, AWS-CLOUDFRONT - Amazon.com, Inc., US ... 
reg:	3.128.0.0/9, US, ARIN, 2018-06-25
asn:	AS16509 - AMAZON-02 Amazon.com Inc., US
addr:	  
online:	  64 » latency: 102 ms (102ms) 

see also:
   3.128.0.0/10     AS16509  AT-88-Z Amazon Technologies Inc., US