AS680 Deutsches Forschungsnetz (DFN) 🇩🇪 DE

Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.. Announcing 319 prefixes, seen at the RIS collectors.

IPv4 prefixes

294

7,913,472 (30,912 × /24)

IPv6 prefixes

80 × /32

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS680
Name: Deutsches Forschungsnetz (DFN)
Organisation: DFN Deutsches Forschungsnetz e.V.
Country: 🇩🇪 DE
RIR: RIPENCC
Allocated: 1993-09-01
Network type: Educational/Research
Traffic levels: 1-5Tbps
Scope: Europe
Peering policy: Selective
IRR as-set: AS680:AS-DFNTOWINISP
Website: https://www.dfn.de
Looking glass: https://lg.x-win.dfn.de
PeeringDB: net/279
Exchanges: 4
Facilities: 5

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

265 valid (83.1%) 0 invalid (0.0%) 54 no ROA (16.9%)

Upstreams

Networks seen providing transit to this one

Network	Country	Cone	IPv4 prefixes	Paths	Source
AS3356 Lumen (Level 3)	🇺🇸 US	70,932	2,080	3,846	CAIDA
AS1299 Arelion (fka. Telia Carrier)	🇸🇪 SE	68,919	134	2,469	CAIDA
AS2914 NTT America, Inc.	🇺🇸 US	56,173	1,573	1,602	CAIDA
AS3320 Deutsche Telekom AG	🇩🇪 DE	50,470	910	52	CAIDA
AS20965 GEANT Vereniging	🇳🇱 NL	907	2	577	CAIDA
AS1103 SURF B.V.	🇳🇱 NL	30	99	437	inferred

Peers

Adjacencies that look settlement-free rather than transit

Network	Country	Cone	IPv4 prefixes	Paths	Source
AS6939 Hurricane Electric LLC	🇺🇸 US	52,981	235	2,963	CAIDA
AS6461 Zayo Bandwidth	🇺🇸 US	52,674	214	365	CAIDA
AS9002 RETN Limited	🇬🇧 GB	50,721	18	2,566	CAIDA
AS33891 Core-Backbone GmbH	🇩🇪 DE	24,900	1	440	CAIDA
AS3216 Vimpelcom PJSC	🇷🇺 RU	24,473	590	382	CAIDA
AS34549 meerfarbig GmbH & Co. KG	🇩🇪 DE	15,719	48	2,007	CAIDA
AS24482 SG.GS	🇸🇬 SG	5,033	45	438	CAIDA
AS13030 Init7 (Switzerland) Ltd.	🇨🇭 CH	328	69	31	CAIDA
AS25091 IP-Max SA	🇨🇭 CH	171	25	18	CAIDA
AS3214 xTom GmbH	🇩🇪 DE	128	102	1	CAIDA
AS42708 Glesys AB	🇸🇪 SE	106	211	462	CAIDA
AS29169 GANDI SAS	🇫🇷 FR	47	8	1	CAIDA
AS34019 Hivane Association	🇫🇷 FR	38	6	435	CAIDA

Downstreams

Networks this one appears to provide transit to

Network	Country	Cone	IPv4 prefixes	Paths	Source
AS553 BelWü	🇩🇪 DE	37	96	458	CAIDA
AS34878 Karlsruhe Institute of Technology	🇩🇪 DE	3	4	172	CAIDA
AS12816 Leibniz-Rechenzentrum	🇩🇪 DE	2	9	532	CAIDA
AS199578 Rheinland-Pfaelzische Technische Universitaet Kaiserslautern-Landau	🇩🇪 DE	2	4	134	CAIDA
AS207592 Gesellschaft fuer wissenschaftliche Datenverarbeitung mbH, Goettingen	🇩🇪 DE	2	5	52	CAIDA
AS200943 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.	🇩🇪 DE	0	17	884	CAIDA
AS47610 RWTH Aachen University	🇩🇪 DE	0	12	641	CAIDA
AS5501 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.	🇩🇪 DE	0	38	544	CAIDA
AS49234 Bundesministerium des Innern und fuer Heimat	🇩🇪 DE	0	9	354	CAIDA
AS5520 Universitaet zu Koeln	🇩🇪 DE	0	6	287	CAIDA
AS60824 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.	🇩🇪 DE	0	27	273	CAIDA
AS1754 Deutsches Elektronen-Synchrotron DESY	🇩🇪 DE	0	4	168	CAIDA
AS43066 Information und Technik Nordrhein-Westfalen	🇩🇪 DE	0	19	163	CAIDA
AS56357 Technical University of Munich	🇩🇪 DE	0	3	161	CAIDA
AS31705 Europaischen Organisation fuer die Nutzung Meteorologischen Satelliten (Eumetsat)	🇩🇪 DE	0	4	96	CAIDA
AS2117 European Southern Observatory	🇩🇪 DE	0	2	84	CAIDA
AS41289 Deutscher Wetterdienst	🇩🇪 DE	0	2	78	CAIDA
AS205046 FZI Forschungszentrum Informatik	🇩🇪 DE	0	2	75	CAIDA
AS210482 Max-Delbrueck-Centrum fuer Molekulare Medizin in der Helmholtz-Gemeinschaft	🇩🇪 DE	0	11	66	CAIDA
AS34520 Deutsche Forschungsgemeinschaft e.V.	🇩🇪 DE	0	1	63	CAIDA
AS29484 Ruhr-Universitaet Bochum	🇩🇪 DE	0	6	61	CAIDA
AS20588 Forschungsverbund Berlin e.V.	🇩🇪 DE	0	1	42	CAIDA
AS8519 European Space Agency (ESA)	🇩🇪 DE	0	1	42	CAIDA
AS207611 Rheinische Friedrich-Wilhelms-Universitaet Bonn	🇩🇪 DE	0	1	42	CAIDA
AS41969 Rundfunk Berlin-Brandenburg RBB	🇩🇪 DE	0	2	32	CAIDA
AS12643 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.	🇩🇪 DE	0	5	30	CAIDA
AS13040 FIZ Karlsruhe - Leibniz-Institut fuer Informationsinfrastruktur GmbH	🇩🇪 DE	0	1	17	CAIDA
AS6733 Bundesinstitut fuer Arzneimittel und Medizinprodukte (BfArM)	🇩🇪 DE	0	2	16	CAIDA
AS20633 Johann Wolfgang Goethe-Universitat Frankfurt am Main	🇩🇪 DE	0	2	9	CAIDA
AS209499 GSI Helmholtzzentrum fur Schwerionenforschung GmbH	🇩🇪 DE	0	1	9	CAIDA
AS12654 RIPE NCC - RIS	🇳🇱 NL	0	16	1	CAIDA

Relationships marked inferred come from where the two networks sit on the AS paths the collectors see, which is a guess and is wrong for some of them. The rest are stated by CAIDA's published inference over a much wider set of collectors.