171.231.48.0/21

ip:	171.231.48.0 dynamic-ip-adsl.viettel.vn
loc:	Vietnam, Pleiku (Gia Lai)  
isp:	AS7552 Viettel Group » Viettel Corporation » VIETEL 1750.375 ms
route:	171.231.48.0/21, VIETTEL-VN - Viettel Group, VN (Hanoi) ... 
reg:	171.224.0.0/11, VN, APNIC, 2011-03-04
asn:	AS7552 - VIETEL-AS-AP Viettel Group, VN
	  AS3491  - CONSOLE-CONNECT-ASN PCCW Global, Inc., US
	  AS6939  - HURRICANE Hurricane Electric LLC, US
	  AS6453  - AS6453 TATA COMMUNICATIONS (AMERICA) INC, US
	  AS4229  - ZEN-NET Zenlayer Inc, US
addr:	  Ha Noi VietNam
online:	  1.348 » latency: 281 ms (275ms) 

see also:
   171.224.0.0/11   AS7552   VIETTEL-VN Viettel Group, VN
   171.224.0.0/12   AS7552   VIETTEL-VN Viettel Group, VN
   171.224.0.0/13   AS7552   VIETTEL-VN Viettel Group, VN
   171.228.0.0/14   AS7552   VIETTEL-VN Viettel Group, VN