ResearchIRR · RIPE

AS-NULLL N

An as-set registered in RIPE, maintained by NULLL-MNT. It names 0 ASes and 1 set directly; followed all the way down, it reaches 1 ASes through 1 nested sets.

Members

What AS-NULLL lists

0 ASes and 1 set, written in the object across every registry that holds it. Sets open their own page.

AS207613:AS-ALL
Expanded

Every AS it reaches

What a filter built from AS-NULLL would let in: 1 ASes.

Show the 1 ASes
AS207613
Prefixes

What AS-NULLL covers

Every route object in the IRR whose origin is one of the 1 ASes it reaches: the prefixes a filter built from AS-NULLL (with bgpq4, say) would allow. 0 IPv4 and 7 IPv6. Every one is in the IRR API.

7 IPv6 prefixes
2a09:11c0:200::/442a09:11c0:200::/482a09:11c0:201::/482a09:11c0:202::/482a09:11c0:203::/482a09:11c0:204::/482a09:11c0:205::/48
Registries

Each registry’s copy

RIPE1 membersN
Maintained byNULLL-MNT
Last modified2026-09-12T21:02:50Z
MembersAS207613:AS-ALL
mbrs-by-refN
Used by

Sets that include AS-NULLL

AS-4IXPAS39533:AS-SET:AS207613AS56381:AS-CUSTOMERS
Tools

Check AS-NULLL live

IRR API, with prefixes