is CERNET part of the Internet?

Jeroen Massar jeroen at
Thu Sep 27 09:33:10 UTC 2012

On 2012-09-27 11:23 , Eugen Leitl wrote:
> I'm trying to figure out whether CERNET
> is part of the official Internet,

There is no 'official Internet', there is a 'view on the Internet'.

Note that if you would do an eyeball count the 'official' one would be
the Chinese one as there are potentially more people looking at it there...

To answer your subject line though: yes CERNET is part of the Internet,
they have IP addresses from IANA through their RIR APNIC and their
website be reached from most locations on the general thing called the

CERNET is IPv6-only for large portions though and those are not behind
the GFW as they do not do IPv6 for that (yet at least as far as it is

> or is behind the Great Firewall where
> access to invididual networks on the public Internet must be explicitly
> granted. Anyone in the know?  

Everything in China is behind their content filter. Only parts of Hong
Kong are sometimes not yet. As far as it is known they do not 'allow'
things but block specific things.

I suggest you go through for a good read
about the various things that are known about the thing we call GFW.


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