Data as of Nov 11, 2026
5.10.9.0/24
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 |
|---|---|---|---|---|---|---|
| 5.10.8.0/21 | 2,048 | DE-SW-KONSTANZ-20120726 | Stadtwerke Konstanz GmbH (ORG-SKG3-RIPE) · DE | ALLOCATED PA | Jul 26, 2012 | abuse@ |
| └ 5.10.9.0/24 | 256 | DE-SWKN-FTTHTK03 | Stadtwerke Konstanz GmbH (ORG-SKG3-RIPE) · DE | ASSIGNED PA | Nov 21, 2013 | abuse@ |
Network & registry
Announced by
Covering announcement 5.10.8.0/21
- Prefix
- 5.10.8.0/21
- Announced by
- AS57154 Stadtwerke Konstanz GmbH
- Type
- Residential
- Proxy exits
- 15
- RPKI
- RPKI valid
- Netname
- DE-SW-KONSTANZ-20120726
- 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 5.10.8.0/21
5.10.8.0/21
Routing history
- Pattern
- Stable
- First seen
- Jul 2012
- Current origin since
- Jul 2012 · 14 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 5.10.8.0/21 | AS57154 | /24 | RIPE | RPKI valid |
IRR
Route objects on 5.10.8.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS57154 | RIPE | DE-SWKN-5.10.8.0 | MNT-SWKN | Jul 26, 2012 |
Whois
Registration for this announcement
- Range
- 5.
10. 8. 0/ 21 - Netname
- DE-SW-KONSTANZ-20120726
- Registrant
- Stadtwerke Konstanz GmbH
- Registrant country
- DE
- Organization
- Stadtwerke Konstanz GmbH (ORG-SKG3-RIPE)
- Org country
- DE
- Type
- ALLOCATED PA
- Created
- Jul 26, 2012
- Updated
- Feb 17, 2017
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- DE
- Delegated
- Jul 26, 2012
- Status
- assigned
Report abuse
Abuse contact
- abuse@
tk-bodensee. net - Name
- Stadtwerke Konstanz ISP-Team
- Handle
- SWKN1-RIPE