ResearchIRR · RIPE

AS-OBSL Opal (Solutions Division) - Autonomous Systems

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

What AS-OBSL lists

1 AS 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-OBSL would let in: 1 ASes.

Show the 1 ASes

What AS-OBSL covers

Every route object in the IRR whose origin is one of the 1 ASes it reaches: the prefixes a filter built from AS-OBSL (with bgpq4, say) would allow. 18 IPv4 and 1 IPv6. Every one is in the IRR API.

18 IPv4 prefixes
1 IPv6 prefix

Each registry’s copy

RIPE1 membersOpal (Solutions Division) - Autonomous Systems
Maintained byOBSL-MNT
Last modified2025-10-15T11:14:04Z
MembersAS8586
mbrs-by-refN

Sets that include AS-OBSL

Check AS-OBSL live