Data as of Nov 11, 2026
31.12.4.0/24
No anonymizer space · no proxy exits in 30 daysWien Energie GmbH
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 |
|---|---|---|---|---|---|---|
| 31.12.0.0/21 | 2,048 | AT-WZN-20110415 | Wien Energie GmbH (ORG-WG1-RIPE) · AT | ALLOCATED PA | Apr 15, 2011 | network@ |
| └ 31.12.4.0/24 | 256 | WIENENERGIE-CUSTOMER-NET | unknown | AGGREGATED-BY-LIR | Dec 30, 2025 | network@ via AT-WZN-20110415 |
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 31.12.0.0/21
- Prefix
- 31.12.0.0/21
- Announced by
- AS29287 Wien Energie GmbH
- Type
- Internet provider
- Proxy exits
- 12
- Always-on exits
- 1
- RPKI
- No RPKI
- Netname
- AT-WZN-20110415
- Registrant
- Wien Energie GmbH
- RIR
- RIPE NCC
Origin network
AS29287
AT
- Name
- Wien Energie GmbH
- Type
- Internet provider
- Registered
- Jul 22, 2003
- Domain
- wienenergie.at
- Website
- www.wienenergie.at/business/produkte/telekommunikation/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 31.12.0.0/21
31.12.0.0/21
Routing history
- Pattern
- Stable
- First seen
- Apr 2011
- Current origin since
- Apr 2011 · 16 yr
- Origin networks
- 1
IRR
Route objects on 31.12.0.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS29287 | RIPE | Wien Energie GmbH | WZN-MNT | Jan 21, 2026 |
Whois
Registration for this announcement
- Range
- 31.
12. 0. 0/ 21 - Netname
- AT-WZN-20110415
- Registrant
- Wien Energie GmbH
- Registrant country
- AT
- Organization
- Wien Energie GmbH (ORG-WG1-RIPE)
- Org country
- AT
- Type
- ALLOCATED PA
- Created
- Apr 15, 2011
- Updated
- Jun 26, 2020
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- AT
- Delegated
- Apr 15, 2011
- Status
- assigned
Report abuse
Abuse contact
- network@
wienenergie. at - Name
- Abuse-C Role
- Handle
- AR14116-RIPE