103.243.220.0/22

ip:	103.243.220.0 
loc:	Singapore, Singapore (Central Singapore)  
isp:	AS29990 Xandr Inc. » AppNexus, Inc »  476.63 ms
route:	103.243.220.0/22, APPNEXUS-SG - 1 Fullerton Rd # 02-01, SG (Singapore (Downtown Core)) ... 
reg:	103.243.220.0/22, SG, APNIC, 2013-10-17
addr:	  1 Fullerton Rd # 02-01 Suite 2099 Singapore Singapore 049213
online:	  314 » latency: 253 ms (254ms) 

see also:
   103.243.220.0/23 AS29990  APPNEXUS-APAC-IB-1 APAC IB Net - Host IPs, SG
   103.243.223.0/24 AS29990  APPNEXUS-SG 1 Fullerton Rd # 02-01, SG