China Telecom filtering nameservers

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 Our main nameservers are being filtered from networks managed by

	CHINANET, Data Communications Division, 
	China Telecom

All traffic from our nameservers (ICMP, DNS queries, etc) is being
dropped.  As a result, many websites and mail servers with DNS hosted on
networks which connect via China Telecom are inaccessible to users from
our network.  Only the IP addresses of our main nameservers are
filtered.

 I have contacted China Telecom at

	hostmaster at ns.chinanet.cn.net
	noc at cn.net

about this problem, but have received no response.

 Does anyone know of any good contacts at China Telecom, or know if 
there's some explanation for this?

-- 
Daniel Medina
Columbia University

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