16.12.48.0/22

ip:	16.12.48.0 
loc:	Singapore, Singapore (Central Singapore)  
isp:	AS16509 Amazon.com, Inc. » Amazon.com, Inc. » AWS S3 (ap-southeast-1) 305.133 ms
route:	16.12.48.0/22, AMAZO-4 - Amazon.com, Inc., US (Singapore) ... 
reg:	16.12.0.0/16, US, ARIN, 2019-04-04
asn:	AS16509 - AMAZON-02 Amazon.com Inc., US
addr:	  Amazon Web Services Inc. P.O. Box 81226 Seattle WA 98108-1226 US

see also:
   16.12.0.0/16     AS16509  AMAZO-4 Amazon.com, Inc., US
   16.12.48.0/24    AS16509  AMAZO-4 Amazon.com, Inc., SG
   16.12.49.0/24    AS16509  AMAZO-4 Amazon.com, Inc., SG
   16.12.50.0/24    AS16509  AMAZO-4 Amazon.com, Inc., SG
   16.12.51.0/24    AS16509  AMAZO-4 Amazon.com, Inc., SG