18.165.232.0/21

ip:	18.165.232.0 server-18-165-232-0.lhr61.r.cloudfront.net
loc:	United Kingdom, London (England)  
isp:	AS16509 Amazon.com, Inc. » Amazon.com, Inc. » AWS CloudFront (GLOBAL) 141.283 ms
route:	18.165.232.0/21, AMAZON-CF - Amazon.com, Inc., US (London) ... 
reg:	18.128.0.0/9, GB, ARIN, 2019-10-07
asn:	AS16509 - AMAZON-02 Amazon.com Inc., US
addr:	  1918 8th Ave SEATTLE WA 98101-1244 US
online:	  2.020 » latency: 37 ms (38ms) 

see also:
   18.164.0.0/14    AS16509  AMAZON-CF Amazon.com, Inc., US