Data as of Nov 11, 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

No RPKI

Announced by

Type

Residential

97% of it

Registrations in this block

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

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
93.89.144.0/20	4,096	CZ-GRADACE-20080409	GRADACE, spol. s r.o. (ORG-GSSR1-RIPE) · CZ	ALLOCATED PA	Apr 9, 2008	admin-ripe@jicinet.cz
└ 93.89.148.0/24	256	GRADACE_Subnets_for_large_bussiness_clients	unknown	SUB-ALLOCATED PA	Mar 21, 2017	admin-ripe@jicinet.cz via CZ-GRADACE-20080409
└ 93.89.148.0/29	8	Hospital_Jicin	Czech Republic, Jicin, Oblastni Nemocnice Jicin	ASSIGNED PA	Mar 21, 2017	admin-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.

The types across the prefix's announced space, by addresses.

Announced space

Announced space

256 addresses

Type	Addresses	Share	Ranges
Residential	248	97%	1
Business	8	3.1%	1

Routing timeline

93.89.144.0/20

Recorded history