3.166.0.0/21

ip:	3.166.0.0 server-3-166-0-0.mxp53.r.cloudfront.net
loc:	Italy, Milan (Lombardy)  
isp:	AS16509 Amazon.com, Inc. » Amazon.com, Inc. » AWS CloudFront (GLOBAL) 152.884 ms
route:	3.166.0.0/21, AMAZON-CF - Amazon.com, Inc., US (Milan) ... 
reg:	3.128.0.0/9, US, ARIN, 2018-06-25
asn:	AS16509 - AMAZON-02 Amazon.com, Inc., US
	  AS2914  - NTT-DATA-2914 NTT America, Inc., US
	  AS1299  - TWELVE99 Arelion, f/k/a Telia Carrier, SE
	  AS174   - COGENT-174 Cogent Communications, US
	  AS6453  - AS6453 TATA COMMUNICATIONS (AMERICA) INC, US
	  AS3356  - LEVEL3 Level 3 Parent, LLC, US
	  AS6939  - HURRICANE Hurricane Electric LLC, US
	  AS3257  - GTT-BACKBONE GTT, US
	  AS6762  - SEABONE-NET TELECOM ITALIA SPARKLE S.p.A., IT
addr:	  1918 8th Ave SEATTLE WA 98101-1244 US
online:	  1.880 » latency: 41 ms (39ms) 

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