Data as of Nov 10, 2026

93.89.147.0/24

No anonymizer space · no proxy exits in 30 days

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

Announcement
No RPKI
Announced by
Type
Residential
78% 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
└ 93.89.147.0/24256GRADACE_Subnets_for_large_bussiness_clientsunknownSUB-ALLOCATED PAMar 21, 2017admin-ripe@jicinet.cz
via CZ-GRADACE-20080409
└ 93.89.147.0/298Continental_Automotive_Czech_RepublicunknownASSIGNED PAMar 21, 2017admin-ripe@jicinet.cz
via GRADACE_Subnets_for_large_bussiness_clients
└ 93.89.147.8/298Integrovana_stredni_skola_Nova_PakaunknownASSIGNED PAMar 21, 2017admin-ripe@jicinet.cz
via GRADACE_Subnets_for_large_bussiness_clients
└ 93.89.147.16/298ZPA_Nova_PakaCzech Republic ,Nova Paka, www.zpanp.euASSIGNED PAMar 21, 2017admin-ripe@jicinet.cz
via GRADACE_Subnets_for_large_bussiness_clients
└ 93.89.147.24/298FREZITECzech Republic, Jicin, www.fmttooling.comASSIGNED PAMar 21, 2017admin-ripe@jicinet.cz
via GRADACE_Subnets_for_large_bussiness_clients
└ 93.89.147.32/304Altran_Technologies_Czech_RepublicunknownASSIGNED PAMar 21, 2017admin-ripe@jicinet.cz
via GRADACE_Subnets_for_large_bussiness_clients
└ 93.89.147.36/304Exekutorsky_urad_JicinCzech Republic, Jicin, www.exekutor-jicin.czASSIGNED PAMar 21, 2017admin-ripe@jicinet.cz
via GRADACE_Subnets_for_large_bussiness_clients
└ 93.89.147.40/321Hospital_JicinCzech Republic, Jicin, Oblastni Nemocnice JicinASSIGNED PAMar 21, 2017admin-ripe@jicinet.cz
via GRADACE_Subnets_for_large_bussiness_clients
└ 93.89.147.48/298Maso_Jicin_sroCzech Republic, Jicin, www.masojicin.czASSIGNED PAMar 21, 2017admin-ripe@jicinet.cz
via GRADACE_Subnets_for_large_bussiness_clients
└ 93.89.147.56/298Complete_Internet_Services_sroCzech Republic, Jicin, www.cis.czASSIGNED 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
Residential19978%2
Business5722%9

Network & registry

Routing timeline

Who has announced 93.89.144.0/20

93.89.144.0/20

Routing history

Pattern
Stable
First seen
Apr 2008
Current origin since
Jun 2008 · 18 yr
Origin networks
2
Last change of origin
Jun 2008
Recorded history

History

Handoffs
1