Data as of Nov 3, 2026
81.0.233.0/24
No anonymizer space · no proxy exits in 30 daysCASABLANCA INT a.s.
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 |
|---|---|---|---|---|---|---|
| 81.0.230.0 - 81.0.243.255 | 3,584 | CZ-CASABLANCA-20011214 | CASABLANCA INT a.s. (ORG-CI1-RIPE) · CZ | ALLOCATED PA | Jul 28, 2022 | [email protected] |
| └ 81.0.233.0/26 | 64 | ZonerSoftware-CZ | ZONER software, a.s. | ASSIGNED PA | Nov 4, 2009 | [email protected] via CZ-CASABLANCA-20011214 |
| └ 81.0.233.64/26 | 64 | ZonerSoftware-CZ | ZONER software, a.s. | ASSIGNED PA | Nov 4, 2009 | [email protected] via CZ-CASABLANCA-20011214 |
| └ 81.0.233.128/28 | 16 | DoorFinancial-CZ | Door Financial a.s. | ASSIGNED PA | May 2, 2013 | [email protected] via CZ-CASABLANCA-20011214 |
| └ 81.0.233.160/28 | 16 | BauFreundServicesPrag-CZ | Bau Freund Services Prag s.r.o. | ASSIGNED PA | Nov 12, 2009 | [email protected] via CZ-CASABLANCA-20011214 |
| └ 81.0.233.176/29 | 8 | CmsConsulting-CZ | CMS Consulting s.r.o. | ASSIGNED PA | Sep 8, 2015 | [email protected] via CZ-CASABLANCA-20011214 |
| └ 81.0.233.184/29 | 8 | DvorakMarek-CZ | Marek Dvorak | ASSIGNED PA | Nov 12, 2009 | [email protected] via CZ-CASABLANCA-20011214 |
| └ 81.0.233.192/28 | 16 | AmiComputers-CZ | AMI Computers s.r.o. | ASSIGNED PA | Nov 12, 2009 | [email protected] via CZ-CASABLANCA-20011214 |
| └ 81.0.233.208/28 | 16 | EMERGE-CZ | EMERGE, a.s. | ASSIGNED PA | Apr 5, 2017 | [email protected] via CZ-CASABLANCA-20011214 |
| └ 81.0.233.232/29 | 8 | CeskyWebhosting-CZ | CESKY WEBHOSTING s.r.o. | ASSIGNED PA | Nov 3, 2011 | [email protected] via CZ-CASABLANCA-20011214 |
| └ 81.0.233.240/29 | 8 | PCComp-CZ | PC COMP s.r.o. | ASSIGNED PA | Nov 12, 2009 | [email protected] via CZ-CASABLANCA-20011214 |
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 81.0.232.0/21
- Prefix
- 81.0.232.0/21
- Announced by
- AS15685 CASABLANCA INT a.s.
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- CZ-CASABLANCA-20011214
- Registrant
- CASABLANCA INT a.s.
- RIR
- RIPE NCC
Origin network
AS15685
CZ
- Name
- CASABLANCA INT a.s.
- Type
- Hosting
- Registered
- Sep 11, 2000
- Domain
- casablanca.cz
- Website
- www.casablanca.cz
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 81.0.232.0/21
81.0.232.0/21
Routing history
- Pattern
- Stable
- First seen
- Apr 2020
- Current origin since
- Apr 2020 · 6.6 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 81.0.232.0/21 | AS15685 | /21 | RIPE | RPKI valid |
IRR
Route objects on 81.0.232.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS15685 | RIPE | Casablanca INT | CASABLANCA-CORE-MNT | Apr 13, 2020 |
Whois
Registration for this announcement
- Range
- 81.0.230.0 - 81.0.243.255
- Netname
- CZ-CASABLANCA-20011214
- Registrant
- CASABLANCA INT a.s.
- Registrant country
- CZ
- Organization
- CASABLANCA INT a.s. (ORG-CI1-RIPE)
- Org country
- CZ
- Type
- ALLOCATED PA
- Created
- Jul 28, 2022
- Updated
- Jul 28, 2022
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Dec 14, 2001
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Casablanca INT RIPE manager
- Handle
- CASA3-RIPE