Data as of Nov 12, 2026
146.255.24.76/30
No anonymizer space · no proxy exits in 30 daysFIBER TELECOM s.r.o.
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recent change
New origin Oct 10, 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 146.255.24.0/21 since Apr 2026 | AS50833 | Hosting | FIBER TELECOM s.r.o. |
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 |
|---|---|---|---|---|---|---|
| 146.255.24.0/21 | 2,048 | CZ-FIBERTELECOM-20110718 | FIBER TELECOM s.r.o. (ORG-FTS26-RIPE) · CZ | ALLOCATED PA | Jul 7, 2020 | abuse@ |
| └ 146.255.24.76/30 | 4 | ES-MADRID-B | Residential broadband - Madrid | ASSIGNED PA | Oct 10, 2026 | abuse@ via CZ-FIBERTELECOM-20110718 |
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
Announced by
Covering announcement 146.255.24.0/24
- Prefix
- 146.255.24.0/24
- Announced by
- AS50833 FIBER TELECOM s.r.o.
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- CZ-FIBERTELECOM-20110718
- Registrant
- FIBER TELECOM s.r.o.
- RIR
- RIPE NCC
Origin network
AS50833
CZ
- Name
- FIBER TELECOM s.r.o.
- Type
- Hosting
- Registered
- Feb 3, 2011
- Domain
- fibtel.net
- Website
- fibtel.net
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
146.255.24.0/24
Routing history
- Pattern
- Stable
- First seen
- Oct 10, 2026
- Current origin since
- Oct 10, 2026 · 1 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 146.255.24.0/21 | AS50833 | /24 | RIPE | RPKI valid |
IRR
Route objects on 146.255.24.0/24
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS50833 | RIPE | MNT-KRAJA | Oct 11, 2026 |
Whois
Registration for this announcement
- Range
- 146.
255. 24. 0/ 21 - Netname
- CZ-FIBERTELECOM-20110718
- Registrant
- FIBER TELECOM s.r.o.
- Registrant country
- CZ
- Organization
- FIBER TELECOM s.r.o. (ORG-FTS26-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Jul 7, 2020
- Updated
- Oct 11, 2026
- Maintainer
- MNT-KRAJA
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Jul 18, 2011
- Status
- assigned
Report abuse
Abuse contact
- abuse@
fibertelecom. cz - Name
- Abuse-C Role
- Handle
- AR60168-RIPE