13.124.0.0/16

ip:	13.124.0.0 ec2-13-124-0-0.ap-northeast-2.compute.amazonaws.com
loc:	South Korea, Seoul (Seoul)  
isp:	AS16509 Amazon.com, Inc. » Amazon Technologies Inc. » AWS EC2 (ap-northeast-2) 350.659 ms
route:	13.124.0.0/16, AMAZON-ICN - AWS Asia Pacific (Seoul) Region, KR (Seoul) ... 
reg:	13.124.0.0/14, US, ARIN, 2016-08-09
asn:	AS16509 - AMAZON-02 Amazon.com Inc., US
addr:	  12 Floor GS Tower 508 Nonhyun-ro Gangnam-gu Seoul KR
online:	  3.868 » latency: 290 ms (291ms) 

see also:
   13.124.0.0/14    AS16509  AT-88-Z Amazon Technologies Inc., US