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Data as of Nov 4, 2026

185.44.54.0/23

No anonymizer space · no proxy exits in 30 days

Mass Response Service GmbH

Announcement
185.44.52.0/22
RPKI valid
Announced by
AS51265
Type
Mobile
70% of it

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
185.44.52.0/221,024AT-MASSRESPONSE-20131230Mass Response Service GmbH (ORG-MRSG2-RIPE) · ATALLOCATED PADec 30, 2013[email protected]
└ 185.44.54.0/298Hartl-NETMaterialprüfanstalt Hartl GmbHASSIGNED PAJun 12, 2018[email protected]
via AT-MASSRESPONSE-20131230
└ 185.44.54.8/304DenizBank-NETDenizBank AGASSIGNED PAFeb 23, 2018[email protected]
via AT-MASSRESPONSE-20131230
└ 185.44.54.16/2816IWB-NETIWB Immobilien- und Werbeberatung GesmbHASSIGNED PAAug 24, 2016[email protected]
via AT-MASSRESPONSE-20131230
└ 185.44.54.32/2732RIEGL-NETRIEGL Laser Measurement Systems GmbHASSIGNED PAAug 24, 2016[email protected]
via AT-MASSRESPONSE-20131230
└ 185.44.54.64/298RIEGL-NET2RIEGL Laser Measurement Systems GmbHASSIGNED PAFeb 23, 2018[email protected]
via AT-MASSRESPONSE-20131230
└ 185.44.54.72/298FERNFH-NETFerdinand Porsche FernFH - FFH GesellschaftASSIGNED PAFeb 23, 2018[email protected]
via AT-MASSRESPONSE-20131230
└ 185.44.54.80/298MSU-NETMSU Holding GmbHASSIGNED PAFeb 23, 2018[email protected]
via AT-MASSRESPONSE-20131230
└ 185.44.54.88/298FERNFH-NET2Ferdinand Porsche FernFH - FFH GesellschaftASSIGNED PAApr 13, 2018[email protected]
via AT-MASSRESPONSE-20131230
└ 185.44.54.96/298FRUMMEL-NET1Dkfm. Otto Frummel & Partner Steuerberatungsgesellschaft m.b.H.ASSIGNED PAJul 6, 2018[email protected]
via AT-MASSRESPONSE-20131230
└ 185.44.54.104/298Memics-NET1Memics AGASSIGNED PAOct 18, 2018[email protected]
via AT-MASSRESPONSE-20131230
└ 185.44.54.112/2816Drott-NETDrott Medizintechnik GmbHASSIGNED PAJun 29, 2022[email protected]
via AT-MASSRESPONSE-20131230
└ 185.44.55.0/2732Maplan-NETMaplan GmbHASSIGNED PAMar 29, 2023[email protected]
via AT-MASSRESPONSE-20131230

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

512 addresses
TypeAddressesShareRanges
Mobile35670%3
Business15630%12

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 185.44.52.0/22

Prefix
185.44.52.0/22
Announced by
AS51265 Mass Response Service GmbH
Type
Mobile
Proxy exits
2
RPKI
RPKI valid
Netname
AT-MASSRESPONSE-20131230
Registrant
Mass Response Service GmbH
RIR
RIPE NCC
Origin network

AS51265

AT
Name
Mass Response Service GmbH
Type
Internet provider
Registered
Jul 6, 2010
Domain
massresponse.com
Website
www.massresponse.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed