ResearchIRR · RIPE

AS51142:AS-SET N

An as-set registered in RIPE, maintained by GE-LLCEKSPRES-1-MNT. It names 2 ASes and 1 set directly; followed all the way down, it reaches 7 ASes through 1 nested sets.

Members

What AS51142:AS-SET lists

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

AS214176:AS-SETAS51142 ExpressNetworkAS209743 ltdnbnet
Expanded

Every AS it reaches

What a filter built from AS51142:AS-SET would let in: 7 ASes.

Show the 7 ASes
AS51142AS56966AS201651AS209743AS210923AS214176AS215348
Prefixes

What AS51142:AS-SET covers

Every route object in the IRR whose origin is one of the 7 ASes it reaches: the prefixes a filter built from AS51142:AS-SET (with bgpq4, say) would allow. 20 IPv4 and 2 IPv6. Every one is in the IRR API.

20 IPv4 prefixes
141.8.208.0/21141.8.208.0/24141.8.209.0/24141.8.210.0/24141.8.211.0/24154.43.172.0/24179.61.254.0/24185.189.208.0/24185.189.209.0/24185.189.210.0/24185.189.211.0/24185.68.8.0/22185.98.26.0/24191.96.169.0/2431.57.198.0/2445.195.139.0/2445.93.184.0/2446.175.134.0/2446.233.53.0/2462.3.30.0/24
2 IPv6 prefixes
2a0b:f580::/292a0b:f587::/32
Registries

Each registry’s copy

RIPE3 membersN
Maintained byGE-LLCEKSPRES-1-MNT
Last modified2026-08-11T09:01:31Z
MembersAS51142 AS214176:AS-SET AS209743
mbrs-by-refN
Tools

Check AS51142:AS-SET live

IRR API, with prefixes