ResearchIRR · RIPE

AS-MICROBASE Microbase as-set

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

Members

What AS-MICROBASE lists

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

AS40990 FIRST-GR-ASAS196945 MICROBASE-ASAS207767 AS_FERMORITEAS214948 arcus
Expanded

Every AS it reaches

What a filter built from AS-MICROBASE would let in: 4 ASes.

Show the 4 ASes
AS40990AS196945AS207767AS214948
Prefixes

What AS-MICROBASE covers

Every route object in the IRR whose origin is one of the 4 ASes it reaches: the prefixes a filter built from AS-MICROBASE (with bgpq4, say) would allow. 19 IPv4 and 4 IPv6. Every one is in the IRR API.

19 IPv4 prefixes
176.119.209.0/24185.106.16.0/22185.106.16.0/24185.106.17.0/24185.106.18.0/24185.106.19.0/24185.221.65.0/24185.254.217.0/24185.254.218.0/24185.254.219.0/24185.90.44.0/22185.90.44.0/23185.90.44.0/24185.90.45.0/24185.90.46.0/23185.90.46.0/24185.90.47.0/24195.189.56.0/2291.217.155.0/24
4 IPv6 prefixes
2a06:3ac0::/292a0f:ffc0:2::/482a0f:ffc0::/292a0f:ffc7::/32
Registries

Each registry’s copy

RIPE4 membersMicrobase as-set
Maintained byMICROBASE-MNT
Last modified2025-11-09T12:56:27Z
MembersAS196945 AS207767 AS40990 AS214948
mbrs-by-refN
Used by

Sets that include AS-MICROBASE

AS-MEDGRAS-MEDGR-V6AS-MICROBASE-GRIXAS-SYNAPSECOMAS198477:AS-TO-AIXAS8280:AS-DDOS
Tools

Check AS-MICROBASE live

IRR API, with prefixes