AS57154 Stadtwerke Konstanz
AS57154 is operated by Stadtwerke Konstanz and registered with RIPE NCC (DE) since 2011-08-05.
It announces 7 IPv4 and 1 IPv6 prefixes, 87% of them RPKI valid.
RIPE RIS sees 38 upstream and peer networks and 1 downstream networks next to it.
PeeringDB lists it as a Cable/DSL/ISP network at 4 internet exchanges and 4 facilities. Its peering policy is open.
| Name | Stadtwerke Konstanz |
|---|---|
| Registry (RIR) | RIPE NCC |
| Country | Germany (DE) |
| Delegated on | 2011-08-05 |
| Network type | Cable/DSL/ISP, Regional |
| Peering policy | Open |
| IRR as-set | AS-SWKN |
| Prefixes (IPv4 / IPv6) | 7 / 1 |
| RPKI valid | 87% (7 / 8) |
| Upstreams and peers | 38 |
| Downstream networks | 1 |
| Website | stadtwerke-konstanz.de |
Routing health
- AS57154 announces 7 IPv4 and 1 IPv6 prefixes.
- 7 of 8 announced prefixes are RPKI valid.
- 1 announced prefixes are not covered by a ROA of AS57154 (they may have none, or another network’s).
- 38 upstreams and peers, 1 downstream networks seen.
For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.
Announced prefixes 8
- 5.10.8.0/21
- 31.47.80.0/21
- 88.133.248.0/21
- 185.36.44.0/22
- 185.80.168.0/22
- 193.102.25.0/24
- 213.152.96.0/19
- 2a03:80::/32
Upstreams and peers 38
The networks RIPE RIS sees next to AS57154 in BGP paths, the most visible first.
Peering
Peering policy: Open. Suggested max-prefix limits: 50 IPv4, 10 IPv6. PeeringDB record
| Exchange | Ports | Speed | Route server |
|---|---|---|---|
| AMS-IX | 1 | 10G | Yes |
| MegaIX Frankfurt | 1 | 10G | Yes |
| Rheintal IX: Peering-LAN | 1 | 10G | Yes |
| Stuttgart-IX: PeeringLAN | 1 | 10G | Yes |
| Facility | City | Country |
|---|---|---|
| Datacenter Stadtwerk Konstanz | Konstanz | DE |
| Digital Realty Frankfurt FRA1-27 | Frankfurt | DE |
| Equinix FR5 - Frankfurt, KleyerStrasse | Frankfurt | DE |
| euNetworks Colocation Stuttgart | Stuttgart | DE |
More about AS57154
Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-14 05:26 UTC. The country is where the AS number was registered, not necessarily where the network operates.