AS680 — DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
AS680 announces 368 IPv4 prefixes covering 7,662,592 addresses and 141 IPv6 prefixes.
About this network
The Deutsches Forschungsnetz (DFN), Germany's national research and education network, run by the Verein zur Förderung eines Deutschen Forschungsnetzes e.V.
What it's used for
- Connecting German universities and research institutions to a shared national research network (an NREN).
Notable
- A research / education network serving institutions, not a commercial ISP.
- Holds a very large legacy IPv4 footprint reflecting its role connecting the German research community.
- The low AS number reflects an allocation from the internet's earliest years.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.
Announced prefixes
- 45.12.192.0/22
- 84.246.64.0/21
- 87.77.0.0/16
- 128.7.0.0/16
- 128.140.208.0/21
- 128.176.0.0/16
- 129.26.0.0/16
- 129.70.0.0/16
- 129.217.0.0/16
- 129.233.128.0/19
- 129.233.160.0/23
- 129.233.162.0/24
- 129.233.164.0/22
- 129.233.168.0/22
- 129.233.173.0/24
- 129.233.174.0/23
- 129.233.176.0/20
- 129.233.202.0/24
- 129.233.210.0/24
- 129.233.224.0/20
- 129.247.0.0/16
- 130.73.0.0/16
- 130.75.0.0/16
- 130.133.0.0/16
- 130.149.0.0/16
- 130.183.0.0/16
- 131.173.0.0/16
- 131.188.0.0/16
- 131.220.0.0/16
- 131.234.0.0/16
- 132.176.0.0/16
- 132.180.0.0/16
- 132.187.0.0/16
- 132.195.0.0/16
- 132.199.0.0/16
- 132.231.0.0/16
- 132.252.0.0/16
- 134.1.0.0/16
- 134.28.0.0/16
- 134.30.0.0/16
- 134.91.0.0/16
- 134.94.0.0/16
- 134.96.0.0/16
- 134.99.0.0/16
- 134.100.0.0/16
- 134.102.0.0/16
- 134.104.0.0/16
- 134.106.0.0/16
- 134.107.0.0/17
- 134.107.128.0/18
- 134.107.192.0/21
- 134.107.200.0/23
- 134.107.203.0/24
- 134.107.204.0/22
- 134.107.208.0/24
- 134.107.210.0/23
- 134.107.212.0/22
- 134.107.218.0/23
- 134.107.220.0/22
- 134.107.224.0/24
- 134.107.228.0/22
- 134.107.232.0/21
- 134.107.240.0/20
- 134.109.0.0/16
- 134.110.0.0/16
- 134.169.0.0/16
- 134.176.0.0/16
- 134.245.0.0/16
- 136.172.0.0/16
- 137.193.0.0/16
- 137.248.0.0/16
- 137.250.0.0/16
- 139.6.0.0/16
- 139.11.0.0/16
- 139.13.0.0/16
- 139.17.0.0/16
- 139.18.0.0/15
- 139.20.0.0/16
- 139.30.0.0/16
- 139.75.0.0/16
- 139.174.0.0/16
- 139.191.184.0/21
- 141.4.0.0/16
- 141.5.0.0/18
- 141.5.64.0/19
- 141.5.128.0/17
- 141.9.0.0/16
- 141.13.0.0/16
- 141.14.0.0/16
- 141.20.0.0/16
- 141.22.0.0/15
- 141.24.0.0/15
- 141.27.0.0/16
- 141.30.0.0/16
- 141.32.0.0/15
- 141.35.0.0/16
- 141.39.0.0/17
- 141.39.128.0/18
- 141.39.192.0/20
- 141.39.208.0/21
and 409 more.
Upstream networks
- AS3356 Level 3 Parent, LLC
- AS6939 Hurricane Electric LLC
- AS1299 Arelion Sweden AB
- AS9002 RETN Limited
- AS2914 NTT America, Inc.
- AS20965 GEANT Vereniging
- AS34549 meerfarbig GmbH & Co. KG
- AS33891 Core-Backbone GmbH
- AS34019 Hivane Association
- AS42708 Glesys AB
- AS24482 SG.GS
- AS3320 Deutsche Telekom AG
- AS1103 SURF B.V.
- AS6461 Zayo Bandwidth
- AS3216 PJSC "Vimpelcom"
- AS3303 Swisscom (Schweiz) AG
- AS31027 GlobalConnect A/S
- AS13030 Init7 (Switzerland) Ltd.
- AS25091 IP-Max SA
Downstream networks
- AS200943 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- AS553 Universitaet Stuttgart
- AS47610 RWTH Aachen University
- AS5501 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- AS12816 Leibniz-Rechenzentrum
- AS49234 Bundesministerium des Innern und fuer Heimat
- AS60824 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- AS5520 Universitaet zu Koeln
- AS1754 Deutsches Elektronen-Synchrotron DESY
- AS43066 Information und Technik Nordrhein-Westfalen
- AS56357 Technical University of Munich
- AS31705 Europaischen Organisation fuer die Nutzung Meteorologischen Satelliten (Eumetsat)
- AS199578 Rheinland-Pfaelzische Technische Universitaet Kaiserslautern-Landau
- AS2117 Southern Observatory
- AS205046 FZI Forschungszentrum Informatik
- AS34878 Karlsruhe Institute of Technology
- AS41289 Deutscher Wetterdienst
- AS29484 Ruhr-Universitaet Bochum
- AS210482 Max-Delbrueck-Centrum fuer Molekulare Medizin in der Helmholtz-Gemeinschaft
- AS34520 Deutsche Forschungsgemeinschaft e.V.
- AS8519 European Space Agency (ESA)
- AS207611 Rheinische Friedrich-Wilhelms-Universitaet Bonn
- AS20588 Forschungsverbund Berlin e.V.
- AS12643 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- AS207592 Gesellschaft fuer wissenschaftliche Datenverarbeitung mbH, Goettingen
Adjacent networks
- AS3356 Level 3 Parent, LLC
- AS6939 Hurricane Electric LLC
- AS1299 Arelion Sweden AB
- AS9002 RETN Limited
- AS20965 GEANT Vereniging
- AS2914 NTT America, Inc.
- AS34549 meerfarbig GmbH & Co. KG
- AS200943 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- AS553 Universitaet Stuttgart
- AS47610 RWTH Aachen University
- AS5501 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- AS12816 Leibniz-Rechenzentrum
- AS49234 Bundesministerium des Innern und fuer Heimat
- AS60824 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- AS42708 Glesys AB
- AS33891 Core-Backbone GmbH
- AS24482 SG.GS
- AS1103 SURF B.V.
- AS34019 Hivane Association
- AS3320 Deutsche Telekom AG
- AS5520 Universitaet zu Koeln
- AS3303 Swisscom (Schweiz) AG
- AS3216 PJSC "Vimpelcom"
- AS6461 Zayo Bandwidth
- AS1754 Deutsches Elektronen-Synchrotron DESY
Internet exchanges
- DE-CIX Frankfurt — Frankfurt, Germany
- DE-CIX Hamburg — Hamburg, Germany
- Berlin Commercial Internet Exchange — Berlin, Germany
- Megaport Dusseldorf IX — Düsseldorf, Germany
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