101.4.16.0/20

ip:	101.4.16.0 
loc:	China, Beijing (Beijing)  
isp:	AS4538 China Education and Research Network Center » CERNET »  157.863 ms
route:	101.4.16.0/20, BJR-CERNET - China Education and Research Network, CN (Beijing) ... 
reg:	101.4.0.0/14, CN, APNIC, 2010-12-09
asn:	AS4538 - ERX-CERNET-BKB China Education and Research Network Center, CN
	  AS4837  - CHINA169-Backbone CHINA UNICOM China169 Backbone, CN
addr:	  Network Research Center Main Bldg Tsinghua Univ Beijing 100084 China
online:	  252 » latency: 231 ms (231ms) 

see also:
   101.4.0.0/14     AS4538   BJR-CERNET China Education and Research Network, CN