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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 81.200.192.0/20 | 4.1K |
1.9%
|
DB Systel GmbH | DE | Hesse | Schwalbach am Taunus |
| 46.18.56.0/21 | 2.0K |
0.5%
|
DB Systel GmbH | DE | — | — |
| 81.200.200.0/21 | 2.0K |
0.0%
|
DB Systel GmbH | DE | Hesse | Giessen |
| 46.18.60.0/22 | 1.0K |
0.6%
|
DB Systel GmbH | DE | — | — |
| 81.200.196.0/22 | 1.0K |
2.1%
|
DB Systel GmbH | DE | Hesse | Griesheim |
| 46.18.58.0/23 | 512 |
0.0%
|
DB Systel GmbH | DE | — | — |
| 185.36.136.0/23 | 512 |
0.0%
|
DB Systel GmbH | DE | — | — |
| 46.18.57.0/24 | 256 |
0.0%
|
DB Systel GmbH | DE | — | — |
| 81.200.195.0/24 | 256 |
0.4%
|
DB Systel GmbH | DE | — | — |
| 185.36.139.0/24 | 256 |
0.0%
|
DB Systel GmbH | DE | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS34156 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 |
|---|---|---|
| 46.18.56.0/21 | 26,986 | 2026-07-22 20:36:09 |
| 81.200.192.0/20 | 26,921 | 2026-07-22 20:36:09 |
| 81.200.192.0/24 | 25,639 | 2026-07-22 20:07:37 |
| 46.18.56.0/24 | 22,686 | 2026-07-22 20:07:37 |
| 81.200.196.0/24 | 6,341 | 2026-07-22 20:16:48 |
| 81.200.204.0/24 | 2,549 | 2026-06-16 22:52:35 |
| 81.200.200.0/24 | 2,539 | 2026-06-16 22:52:35 |
| 81.200.202.0/24 | 2,539 | 2026-06-16 22:52:35 |
| 81.200.203.0/24 | 2,538 | 2026-06-16 22:52:35 |
| 81.200.198.0/24 | 2,537 | 2026-06-16 22:52:35 |
| 81.200.197.0/24 | 2,535 | 2026-06-16 22:52:35 |
| 81.200.207.0/24 | 2,533 | 2026-06-16 22:52:35 |
| 81.200.205.0/24 | 2,532 | 2026-06-16 22:52:35 |
| 81.200.199.0/24 | 2,532 | 2026-06-16 22:52:35 |
| 81.200.206.0/24 | 2,531 | 2026-06-16 22:52:35 |
| 81.200.201.0/24 | 2,531 | 2026-06-16 22:52:35 |
| 81.200.195.0/24 | 2,530 | 2026-06-16 22:52:35 |
| 185.36.136.0/22 | 985 | 2026-07-08 10:05:03 |
| 81.200.193.0/24 | 904 | 2026-06-16 12:13:33 |
| 81.200.194.0/24 | 800 | 2026-06-16 12:13:33 |
Frequently Asked Questions
What is AS34156?
AS34156 is an Autonomous System Number assigned to DB Systel 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 AS34156 announce?
AS34156 announces 6.9K IPv4 addresses distributed across 10 routed CIDR prefixes. The network is registered in Germany.
Who operates AS34156?
AS34156 is operated by DB Systel GmbH. The organization is based in Germany. You can view all IP ranges and related ASNs on the organization page.
What country is AS34156 registered in?
AS34156 is registered in Germany. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
