ResearchIRR · ARIN, RIPE

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

An as-set registered in ARIN, RIPE, maintained by MNT-ZNL-20, B-MNT. It names 3 ASes and 0 sets directly; followed all the way down, it reaches 3 ASes through 0 nested sets.

Members

What AS-BLACKHOLE lists

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

AS0AS142544 IDNIC-DNSID-IDAS214726
Expanded

Every AS it reaches

What a filter built from AS-BLACKHOLE would let in: 3 ASes.

Show the 3 ASes
AS0AS142544AS214726
Prefixes

What AS-BLACKHOLE covers

Every route object in the IRR whose origin is one of the 3 ASes it reaches: the prefixes a filter built from AS-BLACKHOLE (with bgpq4, say) would allow. 1 IPv4 and 2 IPv6. Every one is in the IRR API.

1 IPv4 prefix
151.158.187.0/24
2 IPv6 prefixes
2001:df6:b940::/482602:feda:380::/44
Registries

Each registry’s copy

ARIN1 members1500 N. GRANT ST, STE R Denver CO 80203 United States
Maintained byMNT-ZNL-20
Last modified2025-11-24T11:39:06Z
MembersAS0
mbrs-by-refN
RIPE2 membersN
Maintained byB-MNT
Last modified2024-06-11T14:47:21Z
MembersAS142544 AS214726
mbrs-by-refN
Used by

Sets that include AS-BLACKHOLE

AS-KLEYREX-RSAS209735:AS-LAGRANGE-LON
Tools

Check AS-BLACKHOLE live

IRR API, with prefixes