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[ipv6-wg] Maximum acceptable IPv6 prefix in BGP table?

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Paul Hoogsteder paul at meanie.nl
Mon Jun 13 22:47:51 CEST 2016

On 12-06-16 22:06, Mark Tinka wrote:
>
> A lot of service providers have poor filtering habits, accepting IPv4
> prefixes as long as /32, IPv6 prefixes as long as /128, and reserved
> address space that should not be visible on the Internet.
>
> Do yourself a solid and filter.
>
> Mark.


Hello Mark,

yes - but do remember that RIPE has allocated smaller blocks up to /29 
in certain corners of the IPv4 space:

91/8: /29
193/8: /29
194/7: /29

Best regards,

Paul Hoogsteder
Meanie AS31019

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