topological closeness....

Matt Zimmerman mdz at
Tue May 14 02:17:52 UTC 1996

On Mon, 13 May 1996, Sanjay Dani wrote:

> On a global level, how useful would it be to base the decision
> on whether the client address belongs to the the InterNIC block,
> APNIC or the european registry ? I can live with exceptions
> such as an MCI customer in India gets redirected to the
> north american mirror server instead of the one in Singapore
> because their address belongs to an InterNIC allocated MCI
> block. How often do these exceptions happen ? Where can I
> find the association of address blocks and registries ?

I don't have any statistics on geographical exceptions, but the allocation
of IPv4 space by the IANA is available at

// Matt Zimmerman       Chief of System Management           NetRail, Inc.
// mdz at                                       sales at
// (703) 524-4800 [voice]    (703) 524-4802 [data]    (703) 534-5033 [fax]

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