ResearchIRR · RIPE

AS-KVARTS list announced AS

An as-set registered in RIPE, maintained by ISYS-MNT. It names 2 ASes and 2 sets directly; followed all the way down, it reaches 6 ASes through 2 nested sets.

Members

What AS-KVARTS lists

2 ASes and 2 sets, written in the object across every registry that holds it. Sets open their own page.

AS-KTS-CLIENTSAS-UISYSAS57285 UkrInfoSystems-ASAS207857 UkrInformSystems-AS
Expanded

Every AS it reaches

What a filter built from AS-KVARTS would let in: 6 ASes.

Show the 6 ASes
AS29382AS43409AS44461AS50848AS57285AS207857
Prefixes

What AS-KVARTS covers

Every route object in the IRR whose origin is one of the 6 ASes it reaches: the prefixes a filter built from AS-KVARTS (with bgpq4, say) would allow. 18 IPv4 and 1 IPv6. Every one is in the IRR API.

18 IPv4 prefixes
185.185.252.0/22185.185.252.0/23185.185.254.0/23193.200.205.0/24194.247.18.0/23194.247.18.0/24194.247.19.0/24195.137.232.0/23195.137.232.0/24195.137.233.0/2489.22.40.0/2189.22.40.0/2289.22.44.0/2489.22.45.0/2489.22.46.0/2391.202.1.0/2491.210.111.0/2491.231.69.0/24
1 IPv6 prefix
2a0b:6a80::/29
Registries

Each registry’s copy

RIPE4 memberslist announced AS
Maintained byISYS-MNT
Last modified2026-02-22T07:11:59Z
MembersAS57285 AS-UISYS AS207857 AS-KTS-CLIENTS
mbrs-by-refN
Used by

Sets that include AS-KVARTS

AS-ELHIMAS-UISYS
Tools

Check AS-KVARTS live

IRR API, with prefixes