Data as of Nov 6, 2026
31.47.81.16/28
No anonymizer space · no proxy exits in 30 daysStadtwerke Konstanz 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 |
|---|---|---|---|---|---|---|
| 31.47.80.0/21 | 2,048 | DE-SW-KONSTANZ-20110321 | Stadtwerke Konstanz GmbH (ORG-SKG3-RIPE) · DE | ALLOCATED PA | Mar 21, 2011 | abuse@ |
| └ 31.47.81.16/28 | 16 | DE-SWKN | Stadtwerke Konstanz GmbH (ORG-SKG3-RIPE) · DE | ASSIGNED PA | Aug 8, 2011 | abuse@ |
Network & registry
Announced by
Covering announcement 31.47.80.0/21
- Prefix
- 31.47.80.0/21
- Announced by
- AS57154 Stadtwerke Konstanz GmbH
- Type
- Residential
- Proxy exits
- 8
- RPKI
- RPKI valid
- Netname
- DE-SW-KONSTANZ-20110321
- Registrant
- Stadtwerke Konstanz GmbH
- RIR
- RIPE NCC
Origin network
AS57154
DE
- Name
- Stadtwerke Konstanz GmbH
- Type
- Internet provider
- Registered
- Aug 5, 2011
- Domain
- konstanz.de
- Website
- www.stadtwerke-konstanz.de
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 31.47.80.0/21
31.47.80.0/21
Routing history
- Pattern
- Stable
- First seen
- Aug 2011
- Current origin since
- Aug 2011 · 15 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 31.47.80.0/21 | AS57154 | /24 | RIPE | RPKI valid |
IRR
Route objects on 31.47.80.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS57154 | RIPE | DE-SW-KONSTANZ-20110321 | MNT-SWKN | Aug 5, 2011 |
Whois
Registration for this announcement
- Range
- 31.
47. 80. 0/ 21 - Netname
- DE-SW-KONSTANZ-20110321
- Registrant
- Stadtwerke Konstanz GmbH
- Registrant country
- DE
- Organization
- Stadtwerke Konstanz GmbH (ORG-SKG3-RIPE)
- Org country
- DE
- Type
- ALLOCATED PA
- Created
- Mar 21, 2011
- Updated
- Feb 17, 2017
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- DE
- Delegated
- Mar 21, 2011
- Status
- assigned
Report abuse
Abuse contact
- abuse@
tk-bodensee. net - Name
- Stadtwerke Konstanz ISP-Team
- Handle
- SWKN1-RIPE