ResearchIRR · RIPE

AS-NICAT NIC.AT as-set

An as-set registered in RIPE, maintained by NICAT-MNT. It names 4 ASes and 0 sets directly; followed all the way down, it reaches 4 ASes through 0 nested sets.

What AS-NICAT lists

4 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-NICAT would let in: 4 ASes.

Show the 4 ASes

What AS-NICAT covers

Every route object in the IRR whose origin is one of the 4 ASes it reaches: the prefixes a filter built from AS-NICAT (with bgpq4, say) would allow. 64 IPv4 and 27 IPv6. Every one is in the IRR API.

64 IPv4 prefixes
27 IPv6 prefixes

Each registry’s copy

RIPE4 membersNIC.AT as-set
Maintained byNICAT-MNT
Last modified2025-11-20T14:18:58Z
MembersAS30971 AS1921 AS201612 AS207021
mbrs-by-refN

Check AS-NICAT live