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Data as of Nov 9, 2026

93.89.148.0/24

No anonymizer space · no proxy exits in 30 days

CEZNET s.r.o. · space held by GRADACE, spol. s r.o.

Announcement
93.89.144.0/20
No RPKI
Announced by
AS42306
Type
Residential
97% of it

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
93.89.144.0/204,096CZ-GRADACE-20080409GRADACE, spol. s r.o. (ORG-GSSR1-RIPE) · CZALLOCATED PAApr 9, 2008admin-ripe@jicinet.cz
└ 93.89.148.0/24256GRADACE_Subnets_for_large_bussiness_clientsunknownSUB-ALLOCATED PAMar 21, 2017admin-ripe@jicinet.cz
via CZ-GRADACE-20080409
└ 93.89.148.0/298Hospital_JicinCzech Republic, Jicin, Oblastni Nemocnice JicinASSIGNED PAMar 21, 2017admin-ripe@jicinet.cz
via GRADACE_Subnets_for_large_bussiness_clients

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
Residential24897%1
Business83.1%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 93.89.144.0/20

Prefix
93.89.144.0/20
Announced by
AS42306 CEZNET s.r.o.
Type
Residential
Proxy exits
24
Always-on exits
5
RPKI
No RPKI
Netname
CZ-GRADACE-20080409
Registrant
GRADACE, spol. s r.o.
RIR
RIPE NCC
Origin network

AS42306

CZ
Name
CEZNET s.r.o.
Type
Internet provider
Registered
Jan 30, 2007
Domain
edera.cz
Website
www.edera.cz
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed