175.186.0.0/17

ip:	175.186.0.0 
loc:	China, Shanghai (Shanghai)  
isp:	AS4538 China Education and Research Network Center » CERNET »  1.027 ms
route:	175.186.0.0/17, SHR-CERNET - China Education and Research Network, CN (Shanghai) ... 
reg:	175.186.0.0/15, CN, APNIC, 2010-01-28
asn:	AS4538 - ERX-CERNET-BKB China Education and Research Network Center, CN
	  AS4837  - CHINA169-Backbone CHINA UNICOM China169 Backbone, CN
	  AS4635  - HKIX-RS1 Hong Kong Internet Exchange--Route Server 1, HK
addr:	  Network Research Center Main Bldg Tsinghua Univ Beijing 100084 China
online:	  6 » latency: 239 ms (239ms) 

see also:
   175.186.0.0/15   AS4538   SHR-CERNET China Education and Research Network, CN