Data as of Nov 10, 2026
81.0.243.0/24
No anonymizer space · no proxy exits in 30 daysSPCom s.r.o. · space held by CASABLANCA 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. | 3,584 | CZ-CASABLANCA-20011214 | CASABLANCA INT a.s. (ORG-CI1-RIPE) · CZ | ALLOCATED PA | Jul 28, 2022 | abuse@ |
| └ 81.0.242.0/23 | 512 | SPCOM-CASA | unknown | SUB-ALLOCATED PA | Jun 2, 2025 | abuse@ 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 81.0.242.0/23
- Prefix
- 81.0.242.0/23
- Announced by
- AS204383 SPCom s.r.o.
- Type
- Residential
- RPKI
- RPKI valid
- Netname
- SPCOM-CASA
- RIR
- RIPE NCC
Registry
Holder
- Organization
- CASABLANCA INT a.s.
- Handle
- ORG-CI1-RIPE
- Range
- 81.
0. 230. 0 - 81. 0. 243. 255 - Registration type
- ALLOCATED PA
- Record created
- Jul 28, 2022
- Reallocated to
- Not named in the registry
- Reallocated range
- 81.
0. 242. 0/ 23 - Reallocation type
- SUB-ALLOCATED PA
- Reallocated
- Jun 2, 2025
Origin network
AS204383
CZ
- Name
- SPCom s.r.o.
- Type
- Internet provider
- Registered
- Mar 21, 2018
- Domain
- spcom.cz
- Website
- www.spcom.cz
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 81.0.242.0/23
81.0.242.0/23
Routing history
- Pattern
- Stable
- First seen
- Jun 2025
- Current origin since
- Jun 2025 · 1.4 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 81.0.242.0/23 | AS204383 | /23 | RIPE | RPKI valid |
| 81.0.240.0/22 | AS15685 | /22 | RIPE | Another network |
IRR
Route objects on 81.0.242.0/23
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS204383 | RIPE | SPCOM | CASABLANCA-CORE-MNT | Jun 2, 2025 |
Whois
Registration for this announcement
- Range
- 81.
0. 242. 0/ 23 - Netname
- SPCOM-CASA
- Registrant country
- CZ
- Organization
- Not stated by the registry
- Type
- SUB-ALLOCATED PA
- Created
- Jun 2, 2025
- Updated
- Jun 2, 2025
- Maintainer
- CASABLANCA-RIPE-MNT
- RIR
- RIPE NCC
- Country
- CZ
- Delegated
- Dec 14, 2001
- Status
- assigned
Report abuse
Abuse contact
- abuse@
casablanca. cz - Name
- Casablanca INT RIPE manager
- Handle
- CASA3-RIPE