Network

AS680 · Deutsches Forschungsnetz

GermanyEyeball

Deutsches Forschungsnetz (DFN)

Deutsches Forschungsnetz announces 295 IPv4 prefixes (7.7M addresses) and 25 IPv6 prefixes from Germany. 83% of them are covered by valid RPKI records.

Prefixes

295 · 25

IPv4 · IPv6

Address space

7.7M

IPv4 addresses · 5.2M IPv6 /48s

RPKI

83% valid

0 invalid · 55 without a record

Peering

Selective

5 exchanges · 5 facilities

Where it is

5 facilities with known locations

Details

Network

Name
Deutsches Forschungsnetz (DFN)
Holder
DFN-MNT
Type
Educational/Research
Country
GermanyGermany
Registry
RIPE NCC
Registered
Sep 20, 200224 years ago
Website
dfn.de
Traffic
1-5Tbps
UsersCloudflare Radar's estimate of people who reach the internet through this network.
About 60.8K
Abuse contact
abuse@dfn.de

Connectivity

Cloudflare Radar
UpstreamsNetworks this one buys transit from.
ArelionNTT Global IP NetworkDeutsche TelekomLumen AS3356
PeersNetworks it exchanges traffic with directly, without paying either way.
309
CustomersNetworks that buy transit from it.
28
AS-SETThe routing registry object that lists this network's customers, used to build route filters.
AS680:AS-DFNTOWINISP

Routing security

ASPAAn RPKI record listing the only networks allowed to be its upstream providers, so routers can reject leaked or forged paths.
ArelionNTT AmericaDeutsche TelekomLumenGEANT VerenigingGEANT Vereniging
RPKI coverageShare of its announcements that a signed record (ROA) authorizes.
265 of 320 valid
IncidentsPossible BGP hijacks (high-confidence detections) and route leaks involving this network in the last 30 days, from Cloudflare Radar.
None in 30 days

AS680 on Cloudflare Radar →PeeringDB →

Largest prefixes

320 announcements in all

IPv4

295
  1. 134.106.0.0/15No ROA
  2. 141.44.0.0/15No ROA
  3. 193.174.0.0/15RPKI valid
  4. 194.94.0.0/15RPKI valid
  5. 87.77.0.0/16RPKI valid
  6. 128.7.0.0/16No ROA
  7. 128.176.0.0/16RPKI valid
  8. 129.26.0.0/16RPKI valid
  9. 129.70.0.0/16RPKI valid
  10. 129.217.0.0/16RPKI valid
  11. 129.247.0.0/16RPKI valid
  12. 130.73.0.0/16No ROA
  13. 130.75.0.0/16RPKI valid
  14. 130.133.0.0/16RPKI valid
  15. 130.149.0.0/16RPKI valid
  16. 130.183.0.0/16RPKI valid
  17. 131.173.0.0/16RPKI valid
  18. 131.188.0.0/16RPKI valid
  19. 131.220.0.0/16RPKI valid
  20. 131.234.0.0/16RPKI valid
  21. 132.176.0.0/16RPKI valid
  22. 132.180.0.0/16RPKI valid
  23. 132.187.0.0/16RPKI valid
  24. 132.195.0.0/16No ROA

Internet exchanges

By port speed

  1. BCIXGermanyBerlin400 Gbps
  2. DE-CIX FrankfurtGermanyFrankfurt200 Gbps
  3. MegaIX DusseldorfGermanyDusseldorf100 Gbps
  4. AMS-IXNetherlandsAmsterdam100 Gbps
  5. DE-CIX HamburgGermanyHamburg10 Gbps