Data as of Nov 12, 2026
81.23.71.0/24
No anonymizer space · no proxy exits in 30 daysVTX Services SA · space held by Cyber Network S.A.
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 |
|---|---|---|---|---|---|---|
| 81.23.64.0/20 | 4,096 | CH-CYBERNETWORK-20020228 | Cyber Network S.A. (ORG-CNS1-RIPE) · CH | ALLOCATED PA | Mar 7, 2002 | lir@ |
| └ 81.23.71.0/24 | 256 | CH-CYBERNETWORK-xDSL-STATIC | xDSL Static Allocation | ASSIGNED PA | Nov 24, 2015 | lir@ via CH-CYBERNETWORK-20020228 |
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 81.23.64.0/20
- Prefix
- 81.23.64.0/20
- Announced by
- AS12350 VTX Services SA
- Type
- Residential
- RPKI
- RPKI valid
- Netname
- CH-CYBERNETWORK-20020228
- Registrant
- Cyber Network S.A.
- RIR
- RIPE NCC
Origin network
AS12350
CH
- Name
- VTX Services SA
- Type
- Internet provider
- Registered
- Mar 30, 1999
- Domain
- vtx.ch
- Website
- www.vtx.ch
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 81.23.64.0/20
81.23.64.0/20
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Dec 2009 · 17 yr
- Origin networks
- 2
- Last change of origin
- Dec 2009
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 81.23.64.0/20 | AS12350 | /20 | RIPE | RPKI valid |
IRR
Route objects on 81.23.64.0/20
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS12350 | RIPE | DECKPOINT-CH | GE-DECKPOINT-MNT CYBERNETWORK-CH-MNT VTX-MNT | Nov 13, 2009 |
Whois
Registration for this announcement
- Range
- 81.
23. 64. 0/ 20 - Netname
- CH-CYBERNETWORK-20020228
- Registrant
- Cyber Network S.A.
- Registrant country
- CH
- Organization
- Cyber Network S.A. (ORG-CNS1-RIPE)
- Org country
- CH
- Type
- ALLOCATED PA
- Created
- Mar 7, 2002
- Updated
- Dec 12, 2025
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- CH
- Delegated
- Feb 28, 2002
- Status
- assigned
Report abuse
Abuse contact
- lir@
cybernetwork. ch - Name
- Abuse-C Role
- Handle
- AR14291-RIPE