ResearchIRR · RIPE

AS-SYSLEVEL SysLevel network AS-SET

An as-set registered in RIPE, maintained by SYSLEVEL-NOC-MNT. It names 2 ASes and 0 sets directly; followed all the way down, it reaches 2 ASes through 0 nested sets.

Members

What AS-SYSLEVEL lists

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

AS57797 SYSLEVELAS198839 MCASYS
Expanded

Every AS it reaches

What a filter built from AS-SYSLEVEL would let in: 2 ASes.

Show the 2 ASes
AS57797AS198839
Prefixes

What AS-SYSLEVEL covers

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

1 IPv4 prefix
81.27.84.0/24
3 IPv6 prefixes
2a12:8ac0:1000::/402a12:8ac0::/402a12:8ac1::/32
Registries

Each registry’s copy

RIPE2 membersSysLevel network AS-SET
Maintained bySYSLEVEL-NOC-MNT
Last modified2026-06-21T00:57:30Z
MembersAS57797 AS198839
mbrs-by-refN
Used by

Sets that include AS-SYSLEVEL

AS-4IXPAS-FOGIXPAS-FRANCEIX-PARAS-KLEYREX-RSAS206221:AS-ERA-IX-AMSTERDAMAS51706:AS-MEMBERS
Tools

Check AS-SYSLEVEL live

IRR API, with prefixes