3.175.0.0/21

ip:	3.175.0.0 server-3-175-0-0.mrs53.r.cloudfront.net
loc:	France, Marseille (Provence-Alpes-Côte d'Azur)  
isp:	AS16509 Amazon.com, Inc. » Amazon.com, Inc. » AWS CloudFront (GLOBAL) 316.572 ms
route:	3.175.0.0/21, AMAZON-CF - 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:	  2.031 » latency: 47 ms (47ms) 

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