ResearchIRR · RIPE

AS-FORMULA Formula+ downstream AS list

An as-set registered in RIPE, maintained by FORMULAPLUS-MNT. It names 5 ASes and 0 sets directly; followed all the way down, it reaches 5 ASes through 0 nested sets.

What AS-FORMULA lists

5 ASes and 0 sets, written in the object across every registry that holds it. Sets open their own page.

Every AS it reaches

What a filter built from AS-FORMULA would let in: 5 ASes.

Show the 5 ASes

What AS-FORMULA covers

Every route object in the IRR whose origin is one of the 5 ASes it reaches: the prefixes a filter built from AS-FORMULA (with bgpq4, say) would allow. 20 IPv4 and 0 IPv6. Every one is in the IRR API.

20 IPv4 prefixes

Each registry’s copy

RIPE5 membersFormula+ downstream AS list
Maintained byFORMULAPLUS-MNT
Last modified2013-10-10T10:16:32Z
MembersAS20842 AS39740 AS47399 AS48029 AS61206
mbrs-by-refN

Check AS-FORMULA live