Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Trust score 65 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 4 internet exchanges: Stuttgart-IX: PeeringLAN, Rheintal IX: Peering-LAN, AMS-IX, MegaIX Frankfurt
AS57154 — global IP footprint
Cities where AS57154 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 213.152.96.0/19 | 8.2K |
98.8%
|
Stadtwerke Konstanz GmbH | DE | Baden-Wurttemberg | Konstanz |
| 5.10.8.0/21 | 2.0K |
97.5%
|
Stadtwerke Konstanz GmbH | DE | Baden-Wurttemberg | Konstanz |
| 31.47.80.0/21 | 2.0K |
0.0%
|
Stadtwerke Konstanz GmbH | DE | Baden-Wurttemberg | Konstanz |
| 88.133.248.0/21 | 2.0K |
36.9%
|
Stadtwerke Konstanz GmbH | DE | Baden-Wurttemberg | Konstanz |
| 185.36.44.0/22 | 1.0K |
78.9%
|
Stadtwerke Konstanz GmbH | DE | Baden-Wurttemberg | Öhningen |
| 185.80.168.0/22 | 1.0K |
84.7%
|
Stadtwerke Konstanz GmbH | DE | Baden-Wurttemberg | Konstanz |
| 193.102.25.0/24 | 256 |
0.0%
|
Stadtwerke Konstanz GmbH | DE | Baden-Wurttemberg | Konstanz |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS57154 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 5.10.8.0/21 | 5,713 | 2026-07-24 03:25:04 |
| 31.47.80.0/21 | 5,059 | 2026-07-24 03:25:04 |
| 193.102.25.0/24 | 4,891 | 2026-07-24 03:25:04 |
| 185.80.168.0/22 | 4,890 | 2026-07-24 03:25:04 |
| 88.133.248.0/21 | 4,703 | 2026-07-24 03:25:04 |
| 213.152.96.0/19 | 4,653 | 2026-07-24 03:25:04 |
| 185.36.44.0/22 | 4,647 | 2026-07-24 03:25:04 |
Frequently Asked Questions
What is AS57154?
AS57154 is an Autonomous System Number assigned to Stadtwerke Konstanz GmbH. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS57154 announce?
AS57154 announces 16.6K IPv4 addresses distributed across 7 routed CIDR prefixes. The network is registered in Germany.
Who operates AS57154?
AS57154 is operated by Stadtwerke Konstanz GmbH. The organization is based in Germany. You can view all IP ranges and related ASNs on the organization page.
What country is AS57154 registered in?
AS57154 is registered in Germany. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
