Data as of Nov 6, 2026
81.23.64.0/20
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 the announcement: those covering it, widest first, then every record inside it, 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@ |
| └ 81.23.64.0/24 | 256 | CH-CYBERNETWORK-xDSL-STATIC | xDSL Static Allocation | ASSIGNED PA | Nov 24, 2015 | lir@ via CH-CYBERNETWORK-20020228 |
| └ 81.23.65.0/24 | 256 | CH-CYBERNETWORK-xDSL-STATIC | xDSL Static Allocation | ASSIGNED PA | Nov 24, 2015 | lir@ via CH-CYBERNETWORK-20020228 |
| └ 81.23.68.0/24 | 256 | CH-CYBERNETWORK-xDSL-STATIC | xDSL Static Allocation | ASSIGNED PA | Nov 24, 2015 | lir@ via CH-CYBERNETWORK-20020228 |
| └ 81.23.70.0/24 | 256 | CH-CYBERNETWORK-xDSL-STATIC | xDSL Static Allocation | ASSIGNED PA | Nov 24, 2015 | lir@ via CH-CYBERNETWORK-20020228 |
| └ 81.23.71.0/24 | 256 | CH-CYBERNETWORK-xDSL-STATIC | xDSL Static Allocation | ASSIGNED PA | Nov 24, 2015 | lir@ via CH-CYBERNETWORK-20020228 |
| └ 81.23.72.0/24 | 256 | CH-CYBERNETWORK-xDSL-STATIC | xDSL Static Allocation | ASSIGNED PA | Nov 24, 2015 | lir@ via CH-CYBERNETWORK-20020228 |
| └ 81.23.73.0/24 | 256 | CH-CYBERNETWORK-INFRA | Infrastructure Allocation | ASSIGNED PA | Nov 24, 2015 | lir@ via CH-CYBERNETWORK-20020228 |
| └ 81.23.74.0/25 | 128 | CH-CYBERNETWORK-INFRA | Infrastructure 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.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
4,096 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 3,968 | 97% | 2 | |
| Business | 128 | 3.1% | 1 |
Network & registry
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 this prefix
Summary
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
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