Data as of Nov 9, 2026
193.84.104.0/22
No anonymizer space · no proxy exits in 30 daysCESNET z.s.p.o. · space held by Ceske vysoke uceni technicke v Praze
Network & registry
Origin network
AS2852
CZ
- Name
- CESNET z.s.p.o.
- Type
- Education
- Registered
- Dec 20, 1993
- Domain
- cesnet.cz
- Website
- www.cesnet.cz
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2024
- Current origin since
- Jul 2024 · 2.3 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 193.
84. 104. 0/ 22 - Netname
- SFA-CTU
- Registrant
- Ceske vysoke uceni technicke v Praze
- Registrant country
- CZ
- Organization
- Ceske vysoke uceni technicke v Praze (ORG-CVUT1-RIPE)
- Org country
- CZ
- Type
- ASSIGNED PI
- Created
- Not stated by the registry
- Updated
- Mar 20, 2021
- Maintainer
- RIPE-NCC-END-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Sep 1, 1993
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cvut. cz - Name
- Ceske vysoke uceni technicke v Praze Network Admins
- Handle
- CVUT1-RIPE