China Telecom Backbone - AS4134 / chinatelecom.com.cn sustains IP addresses rated up to "very high" for the amounts of spam sent during a 30 day period. Maintains CBL-listed, botnet-infected IP addresses during a 30 day period.
www.senderbase.org/lookup/org/?search_string=China%20Telecom%20BACKBONE (bottom of pages)
AND
http://bgp.he.net/dns/gddc.com.cn#_whois (China Telecom owns China Telecom Co., Ltd. - Guangdong province)
www.mywot.com/en/scorecard/gddc.com.cn (the poor reputation of gddc.com.cn, which China Telecom owns)
AND:
China Telecom is being supported by 189.cn domain name, a domain name also used to support cyber-espionage / spearphishing against various national governments, activists, and industry
Example March 2017:
http://bgp.he.net/net/118.123.113.0/24#_whois (China Telecom is being supported by 189.cn domain name)
https://www.mywot.com/en/scorecard/189.cn#comment-48651233 (189.cn, which supports China Telecom, has supported cyber-espionage / spearphishing against various national governments, activists, and industry)
AND
www.mywot.com/en/scorecard/public.gz.cn (China Telecom is being supported by public.gz.cn domain name, run by Global Frag Network which supports medium amounts of spam)
AND
Feb 26, 2016:
The website for China Telecom Backbone / AS4134 / chinatelecom.com.cn China Telecom Backbone injects malware into the network. See:
http://bgp.he.net/AS4134
http://slashdot.org/submission/5601671/ads-and-malware-apparently-being-injected-from-china-via-network-infrastructure (report on China Telecom malware-injection)
www.mywot.com/en/scorecard/chinanet.cn.net (The poor reputation of chinanet.cn.net)
China Telecom is supported by cndata.com, which has a poor reputation:
www.mywot.com/en/scorecard/chinanet.cn (the poor reputation of cndata.com, which supports China Telecom Backbone / AS4134 / chinanet.cn.net)
AND
http://bgp.he.net/dns/zzy.cn#_ipinfo (Running zzy.cn / Xiamen)
www.mywot.com/en/scorecard/zzy.cn (the unsatisfactory repuation of zzy.cn / Xiamen, which China Telecom runs)
http://bgp.he.net/dns/114.com.cn#_ipinfo
www.mywot.com/en/scorecard/114.com.cn (the poor reputation of 114.com.cn, which China Telecom runs)
OTHER, March 2017:
http://bgp.he.net/dns/chinatelecom.com.cn#_whois (Registrar of chinaTelecom.com.cn, owned by China Telecom Group Corporation, is Beijing New Network Digital Information Technology Co., Ltd / 阿里云计算有限公司(万网)
https://translate.google.com/#auto/en/%E5%8C%97%E4%BA%AC%E6%96%B0%E7%BD%91%E6%95%B0%E7%A0%81%E4%BF%A1%E6%81%AF%E6%8A%80%E6%9C%AF%E6%9C%89%E9%99%90%E5%85%AC%E5%8F%B8 (Beijing New Network Digital Information Technology Co., Ltd / 阿里云计算有限公司(万网))
I have yet to find so far that Beijing New Network Digital Information Technology Co., Ltd is an ICANN-accredited or CN registry for domain names.
OTHER:
http://bgp.he.net/dns/gddc.com.cn#_whois (The registrar of gddc.com.cn, which China Telecom owns, is Beijing Branch in the tripartite Network Technology Co., Ltd. / 北京中科三方网络技术有限公司)
https://translate.google.com/#auto/en/%E5%8C%97%E4%BA%AC%E4%B8%AD%E7%A7%91%E4%B8%89%E6%96%B9%E7%BD%91%E7%BB%9C%E6%8A%80%E6%9C%AF%E6%9C%89%E9%99%90%E5%85%AC%E5%8F%B8 (北京中科三方网络技术有限公司 / Beijing Branch in the tripartite Network Technology Co., Ltd.)
Cybercrime friendly provider China Telecom (AS4134) CHINA-TELECOM is one of the world's worst hosts and networks with cybercriminal activity:
- malicious URLs
- badware
- botnet C&C servers
- exploit servers
- Zeus botnet servers
- phishing servers
- spam servers
- spam bots
- spam activity
Chinese provider listed in the top 50 World Hosts Report from HostExploit: http://hostexploit.com/
Other websites from same provider:
http://www.chinatelecom.com.cn
http://en.chinatelecom.com.cn/
http://www.chinatelecom-h.com