101.4.0.0/20

ip:	101.4.0.0 
loc:	China, Fengtai (Beijing)  
isp:	AS4538 China Education and Research Network Center » CERNET »  138.759 ms
route:	101.4.0.0/20, BJR-CERNET - China Education and Research Network, CN (Fengtai (Fengtai Qu)) ... 
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:	  4 » latency: 245 ms (245ms) 

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