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Data as of Nov 6, 2026

85.184.21.0/24

No anonymizer space · no proxy exits in 30 days

CD-Telematika a.s.

Announcement
85.184.16.0/20
RPKI valid
Announced by
AS25512
Type
Internet provider
Risk
0 / 100 · Low

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
85.184.16.0/204,096CZ-CDT-20041119CD-Telematika a.s. (ORG-CTA3-RIPE) · CZALLOCATED PADec 13, 2016abuse@cdt.cz
└ 85.184.21.0/24256GRONTMIJ-SE-NETGrontmij ABASSIGNED PASep 3, 2009abuse@cdt.cz
via CZ-CDT-20041119

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 85.184.16.0/20

Prefix
85.184.16.0/20
Announced by
AS25512 CD-Telematika a.s.
Type
Internet provider
RPKI
RPKI valid
Netname
CZ-CDT-20041119
Registrant
CD-Telematika a.s.
RIR
RIPE NCC
Origin network

AS25512

CZ
Name
CD-Telematika a.s.
Type
Internet provider
Registered
Dec 17, 2002
Domain
cdt.cz
Website
www.cdt.cz
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed