You are right on all counts but (3). IRRd 4.2 has a feature called scope filter, and the results below had the following in effect:
scopefilter: prefixes: - 10.0.0.0/8 - 172.16.0.0/12 - 192.168.0.0/16 asns: - 23456 - 64496-64511 So they already excluded those easy to detect unassigned blocks. It doesn't exclude blocks that are assigned by IANA but not yet by a RIR/NIR (like Team Cymru bogon feeds), but is good enough. Rubens On Sat, Oct 23, 2021 at 2:43 PM Aliaksei Sheshka <a...@yandex.com> wrote: > > To understand the impact of the non-auth registries one need to > eliminate from their obj count 1) route/AS-SET objects which are also > present in the authoritative registries 2) prefixes which can be > derived from the RPKI ROA data 3) outright wrong data like private and > invalid ranges. > Additionally to eliminate 4) stale data, which is more challenging yet > possible to estimate. Remove 5) non-cooperative registries. > > After all that I found that for my cases non-authoritative registries > are more burden than help. > > Your mileage may vary. > > > > > > > On Sat, 23 Oct 2021 09:48:40 -0300 > Rubens Kuhl <rube...@gmail.com> wrote: > > > Recent discussions about ARIN-NONAUTH made me wonder what would be the > > impact of discontinuing *-NONAUTH IRR registries. These are the > > current size of all IRR registries I was able to mirror, ordered by > > the number of aut-num objects. > > > > > > source | total obj | rt obj | aut-num obj > > RIPE 948401 368596 37284 > > APNIC 879374 572495 17737 > > RADB 1533619 1344618 8787 > > TC 21423 8531 3412 > > ARIN 134512 50543 2211 > > RIPE-NONAUTH 58436 54807 2163 > > AFRINIC 121639 94734 2057 > > IDNIC 8541 4574 1713 > > ALTDB 25598 18319 1395 > > LACNIC 8008 4742 1039 > > ARIN-NONAUTH 67715 62471 939 > > WCGDB 65135 62849 773 > > NTTCOM 453257 444518 548 > > JPIRR 13404 11398 425 > > LEVEL3 111770 91524 299 > > CANARIE 1869 1455 177 > > BELL 29827 29613 105 > > BBOI 1291 924 56 > > RGNET 74 40 6 > > NESTEGG 8 4 2 > > REACH 20310 18207 2 > > HOST 2 0 1 > > OPENFACE 25 17 1 > > PANIX 42 40 1 > > >