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Data as of Nov 3, 2026

153.97.0.0/18

No anonymizer space · no proxy exits in 30 days

Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. · space held by Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.

Announcement
153.97.0.0/16
RPKI valid
Announced by
AS680
Type
Business
95% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
153.97.0.0/21
since May 2005
AS5501BusinessFraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
153.97.11.0/24
since Dec 2006
AS5501BusinessFraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
153.97.25.0/24
since Jun 2025
AS51402ResidentialFraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
153.97.26.0/24
since Aug 2013
AS5501BusinessFraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
153.97.32.0/24
since Mar 2023
AS3320ResidentialFraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
153.97.34.0/24
since Nov 2024
AS3320ResidentialFraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
153.97.0.0/1665,536FRAUNHOFER-INTRANET-97Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. (ORG-FZFD2-RIPE) · DELEGACY—[email protected]
└ 153.97.8.0 - 153.97.10.255768FHG-IBMT-GOLM-NET8-10Fraunhofer Institut GOLM.IBMTLEGACYSep 8, 2006[email protected]
via FRAUNHOFER-INTRANET-97
└ 153.97.11.0/24256FHG-IOSB-NET11Fraunhofer Institut IOSBLEGACYDec 6, 2006[email protected]
via FRAUNHOFER-INTRANET-97
└ 153.97.12.0/24256FHG-IML-NET12Fraunhofer Institut IMLLEGACYOct 23, 2006[email protected]
via FRAUNHOFER-INTRANET-97
└ 153.97.13.0/24256FHG-IDMT-NET13Fraunhofer Institut IDMTLEGACYNov 16, 2006[email protected]
via FRAUNHOFER-INTRANET-97
└ 153.97.14.0/24256FHG-IPK-NET14Fraunhofer Institut IPKLEGACYDec 6, 2006[email protected]
via FRAUNHOFER-INTRANET-97
└ 153.97.15.0/24256FHG-IKS-NET15Fraunhofer Institut IKSLEGACYDec 20, 2006[email protected]
via FRAUNHOFER-INTRANET-97
└ 153.97.17.0/24256FHG-FORUM-NET1Fraunhofer Forum BerlinLEGACYJun 27, 2007[email protected]
via FRAUNHOFER-INTRANET-97
└ 153.97.34.0/24256Fraunhofer-FFBunknownLEGACYNov 18, 2024[email protected]
via FRAUNHOFER-INTRANET-97
└ 153.97.63.0/24256FHG-NET-FREE-63Fraunhofer Gesellschaft DeutschlandLEGACYAug 12, 2011[email protected]
via FRAUNHOFER-INTRANET-97

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

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

16,384 addresses
TypeAddressesShareRanges
Business15,61695%8
Residential7684.7%3

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 153.97.0.0/16

Prefix
153.97.0.0/16
Announced by
AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.
Type
Business
RPKI
RPKI valid
Netname
FRAUNHOFER-INTRANET-97
Registrant
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
RIR
RIPE NCC
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