ResearchIRR · RIPE

AS-CSG Clearstream Networks

An as-set registered in RIPE, maintained by CSG-MNT. It names 8 ASes and 0 sets directly; followed all the way down, it reaches 8 ASes through 0 nested sets.

Members

What AS-CSG lists

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

AS13006AS50914AS59455 CSG-ASAS60787 UK_ROCKETFIBRE2AS200581 TFWFIBRE-ASNAS201300 AZV6AS201357 DPNET-FASTAS207841 INFERNO
Expanded

Every AS it reaches

What a filter built from AS-CSG would let in: 8 ASes.

Show the 8 ASes
AS13006AS50914AS59455AS60787AS200581AS201300AS201357AS207841
Prefixes

What AS-CSG covers

Every route object in the IRR whose origin is one of the 8 ASes it reaches: the prefixes a filter built from AS-CSG (with bgpq4, say) would allow. 13 IPv4 and 10 IPv6. Every one is in the IRR API.

13 IPv4 prefixes
158.94.175.0/24185.23.52.0/22185.33.192.0/22185.79.108.0/23185.98.108.0/22193.111.33.0/24193.33.116.0/23193.57.144.0/24193.57.159.0/24193.57.168.0/24222.167.193.0/2446.17.208.0/2162.164.141.0/24
10 IPv6 prefixes
2a04:2340::/292a06:9801:a::/482a09:5880::/292a0f:85c0:100::/482a0f:85c0::/322a0f:85c0::/482a0f:85c2::/322a0f:85c2::/402a0f:85c2::/482a13:9500:18a::/48
Registries

Each registry’s copy

RIPE8 membersClearstream Networks
Maintained byCSG-MNT
Last modified2026-08-18T21:33:37Z
MembersAS59455 AS207841 AS201357 AS201300 AS50914 AS60787 AS200581 AS13006
mbrs-by-refN
Used by

Sets that include AS-CSG

AS-HIBERNIA-IVAS-NEXTCONNEXAS1299:AS-TWELVE99-EU-V4AS1299:AS-TWELVE99-EU-V6AS5580:AS-HIBERNIA-IV
Tools

Check AS-CSG live

IRR API, with prefixes