Data as of Nov 9, 2026
212.90.224.0/19
No anonymizer space · no proxy exits in 30 daysCEZNET s.r.o.
Network & registry
Origin network
AS6740
CZ
- Name
- CEZNET s.r.o.
- Type
- Internet provider
- Registered
- Aug 15, 1996
- Domain
- ceznet.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
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 212.
90. 224. 0/ 19 - Netname
- CZ-CEZNET21-20000731
- Registrant
- CEZNET s.r.o.
- Registrant country
- CZ
- Organization
- CEZNET s.r.o. (ORG-TBS13-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Dec 17, 2001
- Updated
- Feb 10, 2026
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Jul 31, 2000
- Status
- assigned
Report abuse
Abuse contact
- abuse@
inext. cz - Name
- INTERNEXT 2000 ABUSE
- Handle
- IA3288-RIPE