LAYER3 INTEL
Get started
Sign in
Data as of Nov 11, 2026

153.97.0.0/16

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
this exact prefix
RPKI valid
Announced by
AS680
Type
Business
98% of it

Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
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.
153.97.134.0/24
since Aug 2011
AS9063ResidentialFraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
153.97.148.0/24
since Aug 2016
AS35170BusinessFraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
153.97.174.0/23
since Feb 2024
AS200943BusinessFraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
153.97.176.0/23
since Dec 2017
AS200943BusinessFraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, 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—noc-services@iosb.fraunhofer.de
└ 153.97.8.0 - 153.97.10.255768FHG-IBMT-GOLM-NET8-10Fraunhofer Institut GOLM.IBMTLEGACYSep 8, 2006noc-services@iosb.fraunhofer.de
via FRAUNHOFER-INTRANET-97
└ 153.97.11.0/24256FHG-IOSB-NET11Fraunhofer Institut IOSBLEGACYDec 6, 2006noc-services@iosb.fraunhofer.de
via FRAUNHOFER-INTRANET-97
└ 153.97.12.0/24256FHG-IML-NET12Fraunhofer Institut IMLLEGACYOct 23, 2006noc-services@iosb.fraunhofer.de
via FRAUNHOFER-INTRANET-97
└ 153.97.13.0/24256FHG-IDMT-NET13Fraunhofer Institut IDMTLEGACYNov 16, 2006noc-services@iosb.fraunhofer.de
via FRAUNHOFER-INTRANET-97
└ 153.97.14.0/24256FHG-IPK-NET14Fraunhofer Institut IPKLEGACYDec 6, 2006noc-services@iosb.fraunhofer.de
via FRAUNHOFER-INTRANET-97
└ 153.97.15.0/24256FHG-IKS-NET15Fraunhofer Institut IKSLEGACYDec 20, 2006noc-services@iosb.fraunhofer.de
via FRAUNHOFER-INTRANET-97
└ 153.97.17.0/24256FHG-FORUM-NET1Fraunhofer Forum BerlinLEGACYJun 27, 2007noc-services@iosb.fraunhofer.de
via FRAUNHOFER-INTRANET-97
└ 153.97.34.0/24256Fraunhofer-FFBunknownLEGACYNov 18, 2024noc-services@iosb.fraunhofer.de
via FRAUNHOFER-INTRANET-97
└ 153.97.63.0/24256FHG-NET-FREE-63Fraunhofer Gesellschaft DeutschlandLEGACYAug 12, 2011noc-services@iosb.fraunhofer.de
via FRAUNHOFER-INTRANET-97
└ 153.97.103.0/24256FHG-IZM-153-97-103-NETNetz fuer IZM BerlinLEGACYJan 23, 2006noc-services@iosb.fraunhofer.de
via FRAUNHOFER-INTRANET-97
└ 153.97.104.0/24256FHG-IZM-153-97-104-NETNetz fuer IZM BerlinLEGACYJan 23, 2006noc-services@iosb.fraunhofer.de
via FRAUNHOFER-INTRANET-97
└ 153.97.135.0/24256FHG-IWKS-135Fraunhofer Gesellschaft DeutschlandLEGACYOct 4, 2011noc-services@iosb.fraunhofer.de
via FRAUNHOFER-INTRANET-97
└ 153.97.137.0/24256FHG-IWES-137Fraunhofer Institut IWESLEGACYJan 11, 2012noc-services@iosb.fraunhofer.de
via FRAUNHOFER-INTRANET-97
└ 153.97.148.0/24256FHG-CBPFraunhofer CBP in LeunaLEGACYAug 15, 2012noc-services@iosb.fraunhofer.de
via FRAUNHOFER-INTRANET-97
└ 153.97.188.0/221,024Fraunhofer-IML-188-97Fraunhofer-IMLLEGACYMay 12, 2009noc-services@iosb.fraunhofer.de
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

65,536 addresses
TypeAddressesShareRanges
Business64,51298%14
Residential1,0241.6%4

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Jan 2026
Current origin since
Jan 2026 · 10 mo
Origin networks
1