Data as of Nov 11, 2026
89.239.24.0/21
No anonymizer space · no proxy exits in 30 daysKnVnet services s.r.o. · space held by GREPA Networks s.r.o.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 89.239.0.0/19 since Feb 2025 | AS44489 | Residential | 5 | GREPA Networks s.r.o. |
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 |
|---|---|---|---|---|---|---|
| 89.239.0.0/19 | 8,192 | CZ-GREPA-20060609 | GREPA Networks s.r.o. (ORG-GNS3-RIPE) · CZ | ALLOCATED PA | Jun 8, 2017 | milan. |
| └ 89.239.24.0/21 | 2,048 | knvn-netrange | unknown | ASSIGNED PA | Sep 18, 2018 | milan. via CZ-GREPA-20060609 |
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
Registry
Holder
- Organization
- GREPA Networks s.r.o.
- Handle
- ORG-GNS3-RIPE
- Range
- 89.
239. 0. 0/ 19 - Registration type
- ALLOCATED PA
- Record created
- Jun 8, 2017
Origin network
AS56821
CZ
- Name
- KnVnet services s.r.o.
- Type
- Internet provider
- Registered
- Sep 18, 2018
- Domain
- knvnet.cz
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2018
- Current origin since
- Dec 2018 · 7.9 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 89.239.24.0/21 | AS56821 | /21 | RIPE | RPKI valid |
| 89.239.0.0/19 | AS44489 | /24 | RIPE | Another network |
| 89.239.0.0/19 | AS35361 | /19 | RIPE | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS56821 | RIPE | MNT-GREPA | Sep 18, 2018 |
Whois
Registration for this announcement
- Range
- 89.
239. 24. 0/ 21 - Netname
- knvn-netrange
- Registrant country
- CZ
- Organization
- Not stated by the registry
- Type
- ASSIGNED PA
- Created
- Sep 18, 2018
- Updated
- Sep 18, 2018
- Maintainer
- MNT-GREPA
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Jun 9, 2006
- Status
- assigned
Report abuse
Abuse contact
- milan.
kroupa@ grepa. cz - Name
- Abuse-C Role
- Handle
- AR14419-RIPE