Aled,
The data you provided is not relevant.

For example, we have a significant number of Customers who have a number of servers with us, are LIRs themselves, but we do BGP for them, as such there is a significant number of /22s originated from our AS, yet not owned, nor operated by us.

With Kind Regards, 
Dominik Nowacki 
 
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On 10 Jun 2016, at 14:17, Aled Morris <aled.w.morris@googlemail.com> wrote:

On 9 June 2016 at 15:04, Marco Schmidt <mschmidt@ripe.net> wrote:
Currently we see 414 LIRs that have more than one /22 from the range 185/8 registered to them.

That's quite interesting.

I had a look in the DFZ (as received from Level(3) this afternoon)

I can see 13742 advertisements of space from 185/8, 5 of them are for /21 and 1 is for a /20.  The advertisements include de-aggregations (e.g. a /22 and a /23 for the same prefix)

Looking a the /22 adverts. there are 5613 in the DFZ with 4090 distinct AS origins.  This means that over 1500 AS's are advertising more than one /22.

Aled