Stadtwerke Konstanz GmbH
AS57154 is Stadtwerke Konstanz GmbH (stadtwerke-konstanz.de). It announces 16,640 IPv4 addresses in 7 prefixes, and 1 IPv6 prefixes.
Germany· RIPE· allocated 2011-08-05· isp
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Germany16,640 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- SWKN
- name
- Stadtwerke Konstanz GmbH
- org
- ORG-SKG3-RIPE
- org name
- Stadtwerke Konstanz GmbH
- org address
- Max-Stromeyer-Str. 21-29, D-78467, Konstanz, GERMANY
- org country
- DE
- country
- DE
- source
- ripe
- status
- ASSIGNED
- created
- 2011-08-05
- updated
- 2026-02-17
- descr
- Stadtwerke Konstanz GmbH
- remarks
- # Upstream / # Customer / # Peering
- maintainer
- RIPE-NCC-END-MNT|MNT-SWKN
- abuse name
- Stadtwerke Konstanz ISP-Team
- abuse email
- abuse@tk-bodensee.net
- abuse kind
- role
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- VPN IP786watchguard, draytek, sophos4.72%
- anyip, cliproxy, floppydata0.42%
- floppydata0.02%
- None here
- None here
- None here
- Hosting IP3,32820.00%
- None here
- None here
- None here
- SSH IP670.40%
- SMTP IP220.13%
- 0.08%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 5.10.8.0/21 | Germany | valid | 17 | 2026-10-02 |
| 31.47.80.0/21 | Germany | valid | 17 | 2026-10-02 |
| 88.133.248.0/21 | Germany | valid | 17 | 2026-10-02 |
| 185.36.44.0/22 | Germany | valid | 17 | 2026-10-02 |
| 185.80.168.0/22 | Germany | valid | 17 | 2026-10-02 |
| 193.102.25.0/24 | Germany | not found | 17 | 2026-10-02 |
| 213.152.96.0/19 | Germany | valid | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2a03:80::/32 | Germany | valid | 20 | 2026-10-02 |
Test the real build first.
An evaluation license puts a full current build in your hands — every row, every column, no sampling — so you can measure it against your own traffic before anyone talks about terms.