3.164.192.0/21

ip:	3.164.192.0 server-3-164-192-0.nbo50.r.cloudfront.net
loc:	Kenya, Nairobi (Nairobi County)  
isp:	AS16509 Amazon.com, Inc. » Amazon.com, Inc. » AWS CloudFront (GLOBAL) 333.701 ms
route:	3.164.192.0/21, 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:	  2.002 » latency: 171 ms (171ms) 

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