3.172.7.0/24

ip:	3.172.7.0 
loc:	Germany, Frankfurt am Main (Hesse)  
isp:	AS16509 Amazon.com, Inc. » Amazon.com, Inc. » AWS CloudFront Origin Facing (GLOBAL) 476.572 ms
route:	3.172.7.0/24, AT-88-Z - Amazon Technologies Inc., US (Frankfurt am Main) ... 
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:	  41 » latency: 35 ms (35ms) 

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