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Data as of Nov 8, 2026

77.104.242.0/24

No anonymizer space · no proxy exits in 30 days

COPROSYS · space held by CoProSys a.s.

Announcement
this exact prefix
RPKI valid
Announced by
AS39906
Type
Business
56% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
77.104.192.0/18
since Dec 2006
AS39906Residential54
3 always on
CoProSys a.s.

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
77.104.192.0/1816,384CZ-COPROSYS-20061128CoProSys a.s. (ORG-CA781-RIPE) · CZALLOCATED PANov 28, 2006abuse@coprosys.cz
└ 77.104.242.0/298ATTEST-CZATTEST, s.r.o.ASSIGNED PAMar 8, 2007abuse@coprosys.cz
via CZ-COPROSYS-20061128
└ 77.104.242.8/298SP-WEAR-CZSTREET AND SPORTS WEAR - s.a.m., s.r.o.ASSIGNED PAApr 3, 2007abuse@coprosys.cz
via CZ-COPROSYS-20061128
└ 77.104.242.16/298GYM-FRYDL-CZGymnazium FrydlantASSIGNED PAApr 17, 2007abuse@coprosys.cz
via CZ-COPROSYS-20061128
└ 77.104.242.24/298GALVIA-CZElectropoli-GalviaASSIGNED PAApr 17, 2007abuse@coprosys.cz
via CZ-COPROSYS-20061128
└ 77.104.242.32/2816NEM-FRYDL-CZNemocnice Frydlant s.r.o.ASSIGNED PAApr 17, 2007abuse@coprosys.cz
via CZ-COPROSYS-20061128
└ 77.104.242.48/2816BENTELERBelgicka 4777ASSIGNED PAApr 17, 2007abuse@coprosys.cz
via CZ-COPROSYS-20061128
└ 77.104.242.64/2664COPROSYS-CZCoProSys a.s. PodoubraviASSIGNED PAApr 17, 2007abuse@coprosys.cz
via CZ-COPROSYS-20061128
└ 77.104.242.128/298CK-COMPUTER-CZCK Computer LiberecASSIGNED PAApr 17, 2007abuse@coprosys.cz
via CZ-COPROSYS-20061128
└ 77.104.242.136/298COPROSYS-CZCoProSys a.s. PodoubraviASSIGNED PAApr 30, 2007abuse@coprosys.cz
via CZ-COPROSYS-20061128
└ 77.104.242.144/298CEBALSOL-CZCebalsol VelimASSIGNED PAJun 11, 2007abuse@coprosys.cz
via CZ-COPROSYS-20061128
└ 77.104.242.152/298COPROSYS-CUSTCoProSys a.s. (ORG-CA781-RIPE) · CZASSIGNED PAMay 3, 2024abuse@coprosys.cz
└ 77.104.242.160/2732COPROSYS-CZCoProSys a.s. PodoubraviASSIGNED PAJun 11, 2007abuse@coprosys.cz
via CZ-COPROSYS-20061128
└ 77.104.242.192/2664ST-ARCHIV-LIT-CZStatni oblastni archiv LitomericeASSIGNED PAApr 18, 2007abuse@coprosys.cz
via CZ-COPROSYS-20061128

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

256 addresses
TypeAddressesShareRanges
Business14456%9
Residential11244%3

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS39906

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