AS43623 — ARD-STERNPUNKT Hessischer Rundfunk

Network type: hosting

AS43623 announces 13 IPv4 prefixes covering 9,216 addresses and 1 IPv6 prefixes.

About this network

The AS handle ARD-STERNPUNKT is held by Hessischer Rundfunk, which operates the central transmission hub for the German public broadcasting alliance.

What it's used for

• The address space carries infrastructure for German public broadcasters, with netnames including SWR-NET, MDR, WDR, and ARD-STERNPUNKT.
• The AS announces 9,216 IPv4 addresses and 20 IPv6 prefixes, maintaining 113 observed neighbours, a ratio indicating a transit or interconnection role rather than an access network.
• Traffic consists of broadcast media distribution, transmission lines, and internal network operations for the ARD member stations.

Notable

• Registrants include Hessischer Rundfunk, SWR-Suedwestrundfunk, Mitteldeutscher Rundfunk (MDR), Westdeutscher Rundfunk Koln, and ARD ZDF Deutschlandradio Beitragsservice.
• The address inventory is finely subdivided into 21 IPv4 prefixes, reflecting site-by-site segmentation for different broadcasting entities within the ARD network.

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

Announced prefixes

• 91.195.78.0/23
• 149.219.8.0/24
• 149.219.249.0/24
• 149.219.250.0/24
• 185.17.244.0/22
• 193.22.46.0/23
• 193.189.152.0/23
• 194.55.39.0/24
• 194.59.34.0/23
• 194.113.143.0/24
• 194.127.132.0/23
• 194.156.7.0/24
• 217.66.32.0/20
• 2a04:880::/29

Upstream networks

• AS174 Cogent Communications, LLC
• AS8881 1&1 Versatel GmbH
• AS6939 Hurricane Electric LLC
• AS3209 Vodafone GmbH
• AS34549 meerfarbig GmbH & Co. KG
• AS24482 SG.GS
• AS213241 TECHIT.BE SRL
• AS48362 Stadtwerke Feldkirch
• AS212024 Marc Schmitt
• AS34019 Hivane Association
• AS12779 IT.Gate S.p.A.
• AS20485 Joint Stock Company TransTeleCom
• AS3320 Deutsche Telekom AG
• AS37100 SEACOM Limited
• AS8551 Bezeq International Ltd.
• AS6797 GlobalConnect AB
• AS1836 green.ch AG
• AS56662 Marcin Gondek
• AS17639 Converge ICT Solutions Inc.
• AS29632 Netassist International EOOD

Downstream networks

• AS200777 Deutsche Welle Anstalt des Oeffentlichen Rechts
• AS31518 Norddeutscher Rundfunk (NDR), AdoeR
• AS21382 ARD ZDF Deutschlandradio Beitragsservice
• AS35739 Bayerischer Rundfunk
• AS8303 Westdeutscher Rundfunk Koln
• AS204155 DeutschlandRadio KdoR
• AS204146 DeutschlandRadio KdoR
• AS41969 Rundfunk Berlin-Brandenburg RBB

Adjacent networks

• AS174 Cogent Communications, LLC
• AS8881 1&1 Versatel GmbH
• AS6939 Hurricane Electric LLC
• AS200777 Deutsche Welle Anstalt des Oeffentlichen Rechts
• AS31518 Norddeutscher Rundfunk (NDR), AdoeR
• AS3209 Vodafone GmbH
• AS34549 meerfarbig GmbH & Co. KG
• AS21382 ARD ZDF Deutschlandradio Beitragsservice
• AS35739 Bayerischer Rundfunk
• AS8303 Westdeutscher Rundfunk Koln
• AS204155 DeutschlandRadio KdoR
• AS204146 DeutschlandRadio KdoR
• AS41969 Rundfunk Berlin-Brandenburg RBB
• AS212024 Marc Schmitt
• AS213241 TECHIT.BE SRL
• AS8551 Bezeq International Ltd.
• AS24482 SG.GS
• AS3320 Deutsche Telekom AG
• AS20485 Joint Stock Company TransTeleCom
• AS1836 green.ch AG
• AS6797 GlobalConnect AB
• AS12779 IT.Gate S.p.A.
• AS34019 Hivane Association
• AS37100 SEACOM Limited
• AS48362 Stadtwerke Feldkirch

Routing security

• RPKI: 28 valid, 0 invalid and 0 not-found announcements; 31 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 40 route objects.
• Listed in as-sets: AS-HURRICANEV6, AS-MANDA-DECIX-PEERS-V4, AS-MANDA-DECIX-PEERS-V6, AS-NETCOLOGNE, AS-NL-IX-RS, AS-VT-TRANSIT, AS198949:AS-SD, AS203462:AS-NVC-DECIX_FRA_RS, AS43252:AS-DECIX-HAM-CONNECTED, AS43252:AS-DECIX-HAM-RS, AS43252:AS-DECIX-HAM-RS-V6, AS43623:AS-ARD-STERN, AS47228:AS-DECIX-MUC-CONNECTED, AS47228:AS-DECIX-MUC-RS, AS47228:AS-DECIX-MUC-RS-V6, 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

• DE-CIX Frankfurt — Frankfurt, Germany
• DE-CIX Dusseldorf — Düsseldorf, Germany
• DE-CIX Munich — Munich, Germany
• DE-CIX Hamburg — Hamburg, Germany