Data as of Nov 8, 2026
194.61.20.0/22
No anonymizer space · no proxy exits in 30 daysVerein zur Foerderung eines Deutschen Forschungsnetzes e.V. · space held by CISPA-Helmholtz-Zentrum fuer Informationssicherheit gGmbH
Announcement
this exact prefix
RPKI valid
Announced by
Type
Business
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Oct 10, 2026
from AS209045, after 1.8 years unannounced
Network & registry
Origin network
AS680
DE
- Name
- Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
- Type
- Education
- Registered
- Sep 1, 1993
- Domain
- dfn.de
- Website
- www.dfn.de
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- Tor exits
- 2
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Oct 2020
- Current origin since
- Oct 10, 2026 · under a month
- Origin networks
- 2
- Last change of origin
- Oct 10, 2026
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 194.
61. 20. 0/ 22 - Netname
- DE-CISPA-20181031
- Registrant
- CISPA-Helmholtz-Zentrum fuer Informationssicherheit gGmbH
- Registrant country
- DE
- Organization
- CISPA-Helmholtz-Zentrum fuer Informationssicherheit gGmbH (ORG-CFIG1-RIPE)
- Org country
- DE
- Type
- ALLOCATED-ASSIGNED PA
- Created
- Sep 18, 2026
- Updated
- Oct 20, 2026
- Maintainer
- CISPA-MNTNER
- RIR
- RIPE NCC
- Country
- DE
- Delegated
- Oct 31, 2018
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cispa. de - Name
- Abuse-C Role
- Handle
- AR79387-RIPE