56.136.0.0/15

ip:	56.136.0.0 ec2-56-136-0-0.us-gov-west-1.compute.amazonaws.com
loc:	United States, San Jose (California)  
isp:	AS8987 Amazon Technologies Inc. » Amazon Data Services Ireland Ltd » AWS EC2 (us-gov-west-1) 156.49 ms
route:	56.136.0.0/15, AMAZO-4 - Amazon.com, Inc., US (Boardman) ... 
reg:	56.136.0.0/15, US, ARIN, 2022-08-30
addr:	  Amazon Web Services Inc. P.O. Box 81226 Seattle WA 98108-1226 US
online:	  2.102 » latency: 169 ms (211ms) 

see also:
   56.136.0.0/16    AS8987   AMAZON-PDT Amazon.com, Inc., US
   56.137.0.0/16    AS8987   AMAZON-PDT Amazon.com, Inc., US