CIDR blocks, by country

Andree Toonk andree+nanog at
Wed May 12 17:15:09 UTC 2010

Hi Michael,

.-- My secret spy satellite informs me that at 12/05/10 9:09 AM  Michael 
Holstein wrote:
> I am aware of sites that list all the netblocks associated with China
> (for example) .. is there any place that publishes an updated list of
> what netblocks are used by what countries? (all of them) .. CIDR format
> would be ideal.


This list is generated once a day. It should contain all prefixes in the 
BGP table of which it was able to determine the country.
The list contains both IPv4 as well as IPv6 prefixes.

> If it matters, I'm specifically interested APNIC and AFRNIC.

I can supply similar lists based on country or continents if there's 
enough interest.


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