Data as of Nov 6, 2026
85.184.16.0/20
No anonymizer space · no proxy exits in 30 daysCD-Telematika 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.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 85.184.16.0/20 | 4,096 | CZ-CDT-20041119 | CD-Telematika a.s. (ORG-CTA3-RIPE) · CZ | ALLOCATED PA | Dec 13, 2016 | abuse@ |
| └ 85.184.21.0/24 | 256 | GRONTMIJ-SE-NET | Grontmij AB | ASSIGNED PA | Sep 3, 2009 | abuse@ via CZ-CDT-20041119 |
| └ 85.184.22.0/24 | 256 | GRONTMIJ-BE-NET | Grontmij Vlaanderen NV | ASSIGNED PA | Sep 3, 2009 | abuse@ 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
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
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jan 2017
- Current origin since
- Jan 2017 · 9.8 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 85.
184. 16. 0/ 20 - Netname
- CZ-CDT-20041119
- Registrant
- CD-Telematika a.s.
- Registrant country
- CZ
- Organization
- CD-Telematika a.s. (ORG-CTA3-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Dec 13, 2016
- Updated
- Dec 13, 2016
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Nov 19, 2004
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cdt. cz - Name
- CDT hostmaster
- Handle
- CDT-RIPE