AS57154 SWKN Stadtwerke Konstanz GmbH
🇩🇪Org handle: ORG-SKG3-RIPE
Stadtwerke Konstanz GmbH
RIPE NCCallocated
Announced Prefixes (BGP)
8total
7 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)30,088
Announced (BGP)16,640
IPv6 Addresses
Allocated (RIR)8.5×10²⁸
Announced (BGP)7.9×10²⁸
Announced Prefixes
(BGP)8|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| No ROA | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 | |
| Valid | RIPE | 2026-10-11 |
Allocated Prefixes
(RIR)188Prefix | Country | RIR | Status |
|---|---|---|---|
| 5.10.8.0/21 | 🇩🇪 DE | RIPENCC | allocated |
| 5.10.8.0/29 | 🇩🇪 DE | RIPE | assigned |
| 5.10.8.8/29 | 🇩🇪 DE | RIPE | assigned |
| 5.10.8.24/29 | 🇩🇪 DE | RIPE | assigned |
| 5.10.8.32/27 | 🇩🇪 DE | RIPE | assigned |
| 5.10.8.64/29 | 🇩🇪 DE | RIPE | assigned |
| 5.10.8.80/28 | 🇩🇪 DE | RIPE | assigned |
| 5.10.8.96/27 | 🇩🇪 DE | RIPE | assigned |
| 5.10.8.128/29 | 🇩🇪 DE | RIPE | assigned |
| 5.10.8.136/29 | 🇩🇪 DE | RIPE | assigned |
1-10 of 188
1 / 19
All 8 announced prefixes of AS57154 →
BGP Neighbours
(seen in AS paths)Upstreams (3)
Networks AS57154 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (1)
Networks whose own prefixes AS57154 passes on: usually its customers.
- AS214410W NET Stadtwerke Waldkirch4
ASPA
No ASPA
Abuse Contact
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- ASPA explainedWhy AS57154 should publish an ASPA object
- IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/57154Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/57154" | jq