ResearchIRR · RIPE

AS-UISYS list announced AS

An as-set registered in RIPE, maintained by ISYS-MNT. It names 2 ASes and 1 set directly; followed all the way down, it reaches 6 ASes through 2 nested sets.

Members

What AS-UISYS lists

2 ASes and 1 set, written in the object across every registry that holds it. Sets open their own page.

AS-KVARTSAS29382 UkrInfoSystems-ASAS50848 IRF-AS
Expanded

Every AS it reaches

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

Show the 6 ASes
AS29382AS43409AS44461AS50848AS57285AS207857
Prefixes

What AS-UISYS covers

Every route object in the IRR whose origin is one of the 6 ASes it reaches: the prefixes a filter built from AS-UISYS (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

RIPE3 memberslist announced AS
Maintained byISYS-MNT
Last modified2026-02-22T07:13:55Z
MembersAS29382 AS-KVARTS AS50848
mbrs-by-refN
Used by

Sets that include AS-UISYS

AS-KVARTSAS-VOLZAS12963:AS-CUST2UAIXAS12963:AS-CUST2UPAS12963:AS-GIXP
Tools

Check AS-UISYS live

IRR API, with prefixes