ResearchIRR · ARIN

AS-ZERO 1500 N. GRANT ST, STE R Denver CO 80203 United…

An as-set registered in ARIN, maintained by MNT-ZNL-20. It names 1 AS and 0 sets directly; followed all the way down, it reaches 1 ASes through 0 nested sets.

Members

What AS-ZERO lists

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

AS0
Expanded

Every AS it reaches

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

Show the 1 ASes
AS0
Registries

Each registry’s copy

ARIN1 members1500 N. GRANT ST, STE R Denver CO 80203 United States
Maintained byMNT-ZNL-20
Last modified2025-11-24T11:38:42Z
MembersAS0
mbrs-by-refN
Tools

Check AS-ZERO live

IRR API, with prefixes