LAYER3 INTEL
Get started
Sign in
Data as of Nov 9, 2026

81.92.152.0/21

No anonymizer space · no proxy exits in 30 days

COPROSYS · space held by CoProSys a.s.

Announcement
81.92.144.0/20
RPKI valid
Announced by
AS39906
Type
Residential
91% of it

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
81.92.144.0/204,096CZ-COPROSYS-20060503CoProSys a.s. (ORG-CA781-RIPE) · CZALLOCATED PAMay 3, 2006abuse@coprosys.cz
└ 81.92.152.0/23512PETRYDES-CZWifi network near Roudnice nad LabemASSIGNED PAOct 18, 2006abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.154.0/24256NET4ALL-CZWifi network near PlzenASSIGNED PAOct 27, 2006abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.155.0/2816COPROSYS-CZCoProSys a.s.ASSIGNED PAOct 21, 2006abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.155.16/2816COPROSYS-CZPOP SokolovASSIGNED PANov 28, 2006abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.155.32/2732COPROSYS-CZCoProSys a.s. POP PardubiceASSIGNED PANov 29, 2006abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.155.64/2664COPROSYS-CZCoProSys a.s. POP Chrudim-VetrnikASSIGNED PANov 30, 2006abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.155.128/25128COPROSYS-CZCoProSys a.s.ASSIGNED PANov 15, 2006abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.156.0/2732COPROSYS-CZrouters in locality Cesky TesinASSIGNED PAJun 10, 2008abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.156.64/2732COPROSYS-FRENSTATNetwork for Global SystemsASSIGNED PAJan 21, 2008abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.156.96/2732COPROSYS-CZServers PragueASSIGNED PAApr 23, 2010abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.156.128/2732HABART-JIRI-CZSANT Jilove u Prahy (druhy segment)ASSIGNED PAApr 23, 2010abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.156.160/2732COPROSYS-CZCustomers[VOLNE]ASSIGNED PAApr 23, 2010abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.156.192/2664COPROSYS-CZCustomers[VOLNE]ASSIGNED PAApr 23, 2010abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.157.0/24256COPROSYS-OPATOVwireless customersASSIGNED PAAug 29, 2006abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.158.0/2816COPROSYS-CZCoProSys a.s. PrahaASSIGNED PAAug 29, 2006abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.158.16/2816MU-KOLINMestsky Urad KolinASSIGNED PASep 1, 2006abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.158.32/2732EXCALIBURARMYExcaliburArmy networkASSIGNED PAAug 31, 2006abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.158.64/2816A-SERV-NETWORKSA-Services & Networks, s.r.o.ASSIGNED PASep 29, 2006abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.158.80/2816COPROSYS-CZCoprosys UstiASSIGNED PAOct 11, 2006abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.158.96/2816COPROSYS-CZCoProSys a.s. BrnoASSIGNED PAOct 8, 2007abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.158.112/2816SESTAVSI-CZSESTAVSI.cz s.r.o.ASSIGNED PANov 28, 2006abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.158.128/2664ICM-AVICM - Angela VeselaASSIGNED PAAug 29, 2006abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.158.192/298EXCONSTEELExcon Steel a.s.ASSIGNED PASep 4, 2006abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.158.200/298MU-BRANDYSMestsky Urad Brandys n/LASSIGNED PASep 19, 2006abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.158.208/2816COPROSYS-CZCoprosys BrnoASSIGNED PAAug 16, 2006abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.158.224/2816COPROSYS-CZCoprosys LVI LiberecASSIGNED PAAug 16, 2006abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.158.240/2816COPROSYS-CZCoprosys Polabsky netASSIGNED PAAug 16, 2006abuse@coprosys.cz
via CZ-COPROSYS-20060503
└ 81.92.159.0/24256COPROSYS-CZCoProSys a.s. BackboneASSIGNED PAAug 9, 2006abuse@coprosys.cz
via CZ-COPROSYS-20060503

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

2,048 addresses
TypeAddressesShareRanges
Residential1,85691%4
Business1929.4%8

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 81.92.144.0/20

Prefix
81.92.144.0/20
Announced by
AS39906 COPROSYS
Type
Residential
Proxy exits
5
RPKI
RPKI valid
Netname
CZ-COPROSYS-20060503
Registrant
CoProSys a.s.
RIR
RIPE NCC
Origin network

AS39906

CZ
Name
COPROSYS
Type
Internet provider
Registered
May 12, 2006
Domain
coprosys.cz
Spamhaus ASN-DROP
not listed