3.164.252.0/24

ip:	3.164.252.0 server-3-164-252-0.yyc51.r.cloudfront.net
loc:	Canada, Calgary (Alberta)  
isp:	AS16509 Amazon.com, Inc. » Amazon.com, Inc. » AWS CloudFront (GLOBAL) 277.662 ms
route:	3.164.252.0/24, AT-88-Z - Amazon Technologies Inc., US ... 
reg:	3.128.0.0/9, US, ARIN, 2018-06-25
asn:	AS16509 - AMAZON-02 Amazon.com Inc., US
addr:	  
online:	  253 » latency: 167 ms (167ms) 

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