for a research topic I try to figure out what amount of IP prefixes are announced globally over BGP by autonomous systems which only have one upstream (single-homed).
I guess the more common/more broad (and more interesting for others) request would be a kind of BGP report/list for every ASN with a list of its peers ASNs. From this I would then be able to get the announced IP prefixes and calculate the total amount of IP space behind those networks. I know and like the BGP reports by https://thyme.apnic.net/, https://bgp.potaroo.net/, https://www.cidr-report.org/as2.0/, but I can’t seem to find that information anywhere, does anyone know of a presentation/paper/website where I can find this information or how I would be able to calculate this list out of other public BGP full table information online?
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