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Data as of Nov 9, 2026

141.39.223.240/28

No anonymizer space · no proxy exits in 30 days

Tobias Fiebig · space held by Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.

Announcement
141.39.223.0/24
RPKI valid
Announced by
AS211286
Type
Business
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
141.39.222.0/23
since Apr 2023
AS211286BusinessVerein zur Foerderung eines Deutschen Forschungsnetzes e.V.
141.39.220.0/22
since Feb 2024
AS211286BusinessVerein zur Foerderung eines Deutschen Forschungsnetzes e.V.
141.39.0.0/16
since Sep 2007
AS680Business6Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
141.39.0.0/1665,536DE-DFN-960220Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. (ORG-DV1-RIPE) · DELEGACY—abuse@dfn.de
└ 141.39.220.0/221,024MPISWS-KLMax-Planck-Institut fuer Informatik (ORG-MFI3-RIPE) · DELEGACYSep 20, 2006abuse@measurement.network
└ 141.39.222.0/23512MSMT-NTWRK-03-04unknownLEGACYApr 4, 2023abuse@measurement.network
via MPISWS-KL
└ 141.39.223.0/24256MSMT-NTWRK-04unknownLEGACYMar 31, 2023abuse@measurement.network
via MSMT-NTWRK-03-04
└ 141.39.223.128/25128MSMT-NTWRK-04-DNSMTUunknownLEGACYApr 23, 2026abuse@measurement.network
via MSMT-NTWRK-04
└ 141.39.223.240/2816MSMT-NTWRK-04-DNSMTU-FRAGDROP-NOPMTUDunknownLEGACYApr 23, 2026abuse@measurement.network
via MSMT-NTWRK-04-DNSMTU

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 141.39.223.0/24

Prefix
141.39.223.0/24
Announced by
AS211286 Tobias Fiebig
Type
Business
RPKI
RPKI valid
Netname
MSMT-NTWRK-04
RIR
RIPE NCC
Registry

Holder

Organization
Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Handle
ORG-DV1-RIPE
Range
141.39.0.0/16
Registration type
LEGACY
Legacy
yes
Origin network

AS211286

AT
Name
Tobias Fiebig
Type
Education
Registered
Apr 4, 2023
Domain
measurement.network
Website
measurement.network/
Industry
Education and Research
Spamhaus ASN-DROP
not listed