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Data as of Nov 8, 2026

149.62.144.0/21

No anonymizer space · no proxy exits in 30 days

MasterDC s.r.o.

Announcement
this exact prefix
RPKI valid
Announced by
AS24971
Type
Hosting
Risk
50 / 100 · Medium

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
149.62.144.0/212,048CZ-MASTER-20110725MasterDC s.r.o. (ORG-MIS2-RIPE) · CZALLOCATED PAJul 25, 2011abuse@master.cz
└ 149.62.145.0/2816DC1-4D-HOUSING-14-CZ-MAIMaster Internet s.r.o.ASSIGNED PAMay 3, 2012abuse@master.cz
via CZ-MASTER-20110725
└ 149.62.145.96/2816PROEBIZ-CZ-MAIPROEBIZ s.r.o.ASSIGNED PAFeb 18, 2020abuse@master.cz
via CZ-MASTER-20110725
└ 149.62.145.112/2816DARKMAY-FIDRANSKY-2-CZ-MAIDarkmay s.r.o. (ORG-DS529-RIPE)ASSIGNED PASep 23, 2022miroslav.fidransky@darkmay.cz
└ 149.62.145.128/2732MGCSERVIS-1-IPV4-CZ-MAIMGC servis, s.r.o. (ORG-MSS38-RIPE)ASSIGNED PADec 23, 2021zikovsky@mgc.cz
└ 149.62.145.160/2732KUCERATOMAS-1-CZ-MAIKucera Tomas (ORG-KT64-RIPE)ASSIGNED PAOct 10, 2016tkucera@twe.cz
└ 149.62.145.192/2664SL516-1-CZ-MAIHousing DC PrahaASSIGNED PAAug 16, 2018abuse@master.cz
via CZ-MASTER-20110725
└ 149.62.147.0/2816VELKAPECKA-1-CZ-MAIRohlik skillz s.r.o. (ORG-VPS8-RIPE)ASSIGNED PAJan 31, 2018it-owner@rohlik.cz
└ 149.62.147.16/2816PTACEK-1-CZ-MAIPTACEK-Velkoobchod, a.s. (ORG-PA1112-RIPE)ASSIGNED PAJun 26, 2018vaclav.zalcik@ptacek.cz
└ 149.62.147.48/2816ACONTE-1-MAI-CZACONTE, s.r.o. (ORG-AS548-RIPE)ASSIGNED PAOct 31, 2016abuse@master.cz
└ 149.62.147.96/2732SL516-2-CZ-MAIHousing DC PrahaASSIGNED PAOct 27, 2023abuse@master.cz
via CZ-MASTER-20110725
└ 149.62.147.128/2664EMAN-4-CZ-MAIeMan s.r.o. (ORG-ES294-RIPE)ASSIGNED PAJul 28, 2025michal.kosek@eman.cz
└ 149.62.147.192/2732DC1-4D-HOUSING-17-CZ-MAIMaster Internet s.r.o.ASSIGNED PAJan 18, 2013abuse@master.cz
via CZ-MASTER-20110725
└ 149.62.147.224/2732BRNO-LIDICKA23B-5-CZ-MAInetwork in Brno/Czech RepublicASSIGNED PAFeb 4, 2013abuse@master.cz
via CZ-MASTER-20110725
└ 149.62.148.0/24256BRNO-HOUSING28-CZ-MAIMaster Internet s.r.o.ASSIGNED PADec 17, 2012abuse@master.cz
via CZ-MASTER-20110725
└ 149.62.149.32/2816BUSINESSCOMAS-1-CZ-MAIBusinessCom as (ORG-BA1580-RIPE)ASSIGNED PAAug 4, 2023abuse@master.cz
└ 149.62.149.48/2816AIRA-GROUP-4-MAI-CZunknownASSIGNED PAMar 2, 2022abuse@master.cz
via CZ-MASTER-20110725
└ 149.62.149.64/2732INSTECZ-3-CZ-MAIINSTE.CZ s.r.o. (ORG-IS394-RIPE)ASSIGNED PAMar 20, 2020abuse@master.cz
└ 149.62.149.112/298TEDOM-1-IPV4-CZ-MDCTEDOM energie s.r.o. (ORG-TES25-RIPE)ASSIGNED PAMay 23, 2025abuse@master.cz
└ 149.62.149.120/298EMAN-2-CZ-MAIeMan s.r.o. (ORG-ES294-RIPE)ASSIGNED PAMay 29, 2025michal.kosek@eman.cz
└ 149.62.149.128/25128LERISCZ-9-CZ-MAILERIS.CZ s.r.o. (ORG-LS248-RIPE)ASSIGNED PAAug 25, 2021filip.senk@leris.cz
└ 149.62.150.0/24256BRNO-HOUSING24-CZ-MAIMaster Internet s.r.o.ASSIGNED PAJan 27, 2014abuse@master.cz
via CZ-MASTER-20110725
└ 149.62.151.0/2732RADEK-LANGKRAMER-8-CZ-MAIMyDreams innovations s.r.o. (ORG-MIS27-RIPE)ASSIGNED PADec 21, 2022servery@mydreams.cz
└ 149.62.151.32/2732C4626-1-CZ-MAIMasterDC s.r.o. (ORG-MIS2-RIPE) · CZASSIGNED PAJun 26, 2015abuse@master.cz
└ 149.62.151.64/2816HAKEN-1-CZ-MAIAdam Haken (ORG-AH174-RIPE)ASSIGNED PAOct 23, 2023abuse@master.cz
└ 149.62.151.96/2732DC34-CEJL-BRQ-INFRA4-MAI-CZMaster Internet s.r.o.ASSIGNED PANov 28, 2018abuse@master.cz
via CZ-MASTER-20110725
└ 149.62.151.128/2664RADEK-LANGKRAMER-3-CZ-MAIMyDreams innovations s.r.o. (ORG-MIS27-RIPE)ASSIGNED PAMay 29, 2014servery@mydreams.cz
└ 149.62.151.192/2732RADEK-LANGKRAMER-9-CZ-MAIMyDreams innovations s.r.o. (ORG-MIS27-RIPE)ASSIGNED PADec 21, 2022servery@mydreams.cz
└ 149.62.151.224/2816MANIFOLD-GROUP-1-CZ-MAIMANIFOLD GROUP s.r.o. (ORG-MGS22-RIPE)ASSIGNED PAJul 17, 2023abuse@master.cz
└ 149.62.151.240/298KODANSKA-2-CZ-MAIKODANSKA OFFICE CENTER, s.r.o. (ORG-KOCS1-RIPE)ASSIGNED PAJun 23, 2014abuse@master.cz
└ 149.62.151.248/298XCONSULTING-MAI-2-CZX Consulting Co. s.r.o. (ORG-XCCS2-RIPE)ASSIGNED PAMar 18, 2024vitezslav.hrabal@xconsulting.cz

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
Origin network

AS24971

CZ
Name
MasterDC s.r.o.
Type
Hosting
Registered
Jun 11, 2002
Domain
master.cz
Website
www.master.cz
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed