27.72.28.0/22

ip:	27.72.28.0 
loc:	Vietnam, Hanoi (Hanoi)  
isp:	AS7552 Viettel Group » Viettel Group » VIETTEL 1600.572 ms
route:	27.72.28.0/22, VIETTEL-VN - Viettel Group, VN (Tây Hồ) ... 
reg:	27.64.0.0/12, VN, APNIC, 2010-04-27
asn:	AS7552 - VIETEL-AS-AP Viettel Group, VN
addr:	  Ha Noi VietNam
online:	  440 » latency: 243 ms (250ms) 

see also:
   27.64.0.0/12     AS7552   VIETTEL-VN Viettel Group, VN
   27.72.0.0/13     AS7552   VIETTEL-VN Viettel Group, VN
   27.72.0.0/14     AS7552   VIETTEL-VN Viettel Group, VN