ResearchIRR · RIPE

AS-BLATZ bn:t Blatzheim Networks Telecom GmbH Multihomed…

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

Members

What AS-BLATZ lists

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

AS15894 LEITWERK-ASAS20886 DE-IORG-AS-1
Expanded

Every AS it reaches

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

Show the 2 ASes
AS15894AS20886
Prefixes

What AS-BLATZ covers

Every route object in the IRR whose origin is one of the 2 ASes it reaches: the prefixes a filter built from AS-BLATZ (with bgpq4, say) would allow. 13 IPv4 and 5 IPv6. Every one is in the IRR API.

13 IPv4 prefixes
185.209.236.0/22185.39.14.0/23185.88.144.0/22194.30.174.0/24194.41.0.0/24217.28.104.0/22217.28.108.0/22217.28.96.0/21217.76.96.0/2045.152.60.0/2280.90.144.0/2089.21.32.0/1994.154.7.0/24
5 IPv6 prefixes
2001:67c:39c::/482a02:b30::/322a02:ba8::/322a02:ba8::/332a0f:4700::/29
Registries

Each registry’s copy

RIPE2 membersbn:t Blatzheim Networks Telecom GmbH Multihomed Carrier/ISP see AS20886
Maintained byBN-ONLINE-NOC
Last modified2026-07-30T10:09:44Z
MembersAS20886 AS15894
mbrs-by-refN
Used by

Sets that include AS-BLATZ

AS-ECRCCUSTDEAS-GHOSTNETCUSTAS-KLEYREX-RSAS-LNCDEAS-OPENPEERINGPEERSAS1299:AS-TWELVE99-EU-V4AS29075:AS-PEERS:AS-SETAS3320:AS-DTAGAS3320:AS-DTAG-V6AS6695:AS-DECIX-FRAAS6777:AS-AMS-IX-RS-SETSAS6777:AS-AMS-IX-RS-SETS-V6
Tools

Check AS-BLATZ live

IRR API, with prefixes