3.164.40.0/22

ip:	3.164.40.0 server-3-164-40-0.ccu50.r.cloudfront.net
loc:	India, Kolkata (West Bengal)  
isp:	AS16509 Amazon.com, Inc. » Amazon.com, Inc. » AWS CloudFront (GLOBAL) 263.833 ms
route:	3.164.40.0/22, AT-88-Z - Amazon Technologies Inc., US (Singapore) ... 
reg:	3.128.0.0/9, US, ARIN, 2018-06-25
asn:	AS16509 - AMAZON-02 Amazon.com Inc., US
addr:	  410 Terry Ave N. Seattle WA 98109 US
online:	  1.005 » latency: 283 ms (283ms) 

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