AS48646 — STEFAN6 SDRmedia Verwaltungs GmbH

AS48646 announces 0 IPv4 prefixes covering 0 addresses and 1 IPv6 prefixes.

About this network

STEFAN6 is operated by SDRmedia Verwaltungs GmbH.

What it's used for

• The address space consists exclusively of two IPv6 prefixes: 2a0c:9a40:808a::/48 and 2a0f:5707:ac80::/44.
• With zero IPv4 prefixes and 445 observed neighbours, the high neighbour-to-address ratio indicates a transit or peering role rather than an access network.
• Traffic from this AS is primarily IPv6 transit and peering traffic, consistent with the operator's profile as a network service provider.

Notable

• The registry holder is SDRmedia Verwaltungs GmbH, which aligns with the AS handle STEFAN6 and the operator identity Stefan6 Network.
• The address inventory is minimal, containing only two IPv6 prefixes with no IPv4 space, suggesting a specialized or niche operational focus.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 2a0c:9a40:808a::/48

Upstream networks

• AS6939 Hurricane Electric LLC
• AS34549 meerfarbig GmbH & Co. KG
• AS401753 BIXCE Inc
• AS56662 Marcin Gondek
• AS24482 SG.GS

Downstream networks

• AS211972 Marc Schulz-Narres
• AS31396 Juliane Holzt
• AS209859 Florian Martin Esser

Adjacent networks

• AS6939 Hurricane Electric LLC
• AS211972 Marc Schulz-Narres
• AS31396 Juliane Holzt
• AS34549 meerfarbig GmbH & Co. KG
• AS24482 SG.GS
• AS209859 Florian Martin Esser
• AS202365 Omer GOLGELI
• AS56662 Marcin Gondek
• AS401753 BIXCE Inc
• AS57821 Nonattached Network e.V.

Routing security

• RPKI: 1 valid, 0 invalid and 0 not-found announcements; 9 ROAs.
• ASPA: none published.
• IRR: 0% of announcements registered; 6 route objects.
• Listed in as-sets: AS-4IXP, AS-4IXP-RS, AS-4IXPV4, AS-CALVIN-IMPORT, AS-CHIX-RS, AS-DEVSTORAGE-UPSTREAMS, AS-HURRICANEV6, AS-INTELSOFT, AS-KRISPEERS, AS-LUYS-A:AS-TRANSIT, AS-STEFANDUNKEL, AS-WOWRACK-SEA01, AS203462:AS-NVC-DECIX_FRA_RS, AS207466:AS-UPSTREAMS, AS210951:AS-UPSTREAMS, AS211398:AS-UPSTREAMS, AS212068:AS-UPSTREAMS, AS39533:AS-SET:AS48646, AS56890:AS-DECIX-DUS-CONNECTED, AS56890:AS-DECIX-DUS-RS, AS56890:AS-DECIX-DUS-RS-V6, AS6695:AS-DECIX-FRA-CONNECTED, AS6695:AS-DECIX-FRA-RS, AS6695:AS-DECIX-FRA-RS-V6.

Internet exchanges

• 4b42 Internet Exchange Point — Zurich, Switzerland
• DE-CIX Frankfurt — Frankfurt, Germany
• Neutral Internet Exchange — Amsterdam, Netherlands
• KleyReX Internet Exchange — Frankfurt, Germany
• DE-CIX Dusseldorf — Düsseldorf, Germany
• Local Internet Exchange Düsseldorf — Düsseldorf, Germany
• Local Internet Exchange Frankfurt — Frankfurt, Germany
• CH Swiss Internet Exchange — Zurich, Switzerland