AS43155
Stadtwerke Bielefeld GmbH
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 →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 185.99.52.0/22 | 1.0K |
0.0%
|
Stadtwerke Bielefeld GmbH | DE | — | — |
| 91.194.108.0/23 | 512 |
11.3%
|
Stadtwerke Bielefeld GmbH | DE | North Rhine-Westphalia | Bielefeld |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS43155 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 |
|---|---|---|
| 185.99.52.0/22 | 4,601 | 2026-08-03 19:34:31 |
| 185.99.55.0/24 | 4,601 | 2026-08-03 19:34:31 |
| 91.194.108.0/23 | 4,532 | 2026-08-03 19:34:31 |
Frequently Asked Questions
What is AS43155?
AS43155 is an Autonomous System Number assigned to Stadtwerke Bielefeld 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 AS43155 announce?
AS43155 announces 1.5K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Germany.
Who operates AS43155?
AS43155 is operated by Stadtwerke Bielefeld GmbH. The organization is based in Germany. You can view all IP ranges and related ASNs on the organization page.
What country is AS43155 registered in?
AS43155 is registered in Germany. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
