18.35.72.0/21

ip:	18.35.72.0 
loc:	United States, Dublin (Ohio)  
isp:	AS16509 Amazon.com, Inc. » Amazon Technologies Inc. » Amazon Data Services Northern Virginia 153.682 ms
route:	18.35.72.0/21, AMAZON-IAD - Amazon Data Services Northern Virginia, US (Herndon) ... 
reg:	18.32.0.0/11, US, ARIN, 2019-10-07
asn:	AS16509 - AMAZON-02 Amazon.com Inc., US
addr:	  13200 Woodland Park Road Herndon VA 20171 US

see also:
   18.35.72.0/24    AS16509  AMAZON-IAD Amazon Data Services Northern Virginia, US
   18.35.73.0/24    AS16509  AMAZON-IAD Amazon Data Services Northern Virginia, US
   18.35.74.0/24    AS16509  AMAZON-IAD Amazon Data Services Northern Virginia, US