AS1754
Deutsches Elektronen-Synchrotron DESY
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
- Enterprise allocation +4
- Trust score 69 / 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 |
|---|---|---|---|---|---|---|
| 131.169.0.0/16 | 65.5K |
46.1%
|
Deutsches Elektronen-Synchrotron DESY | DE | Free and Hanseatic City of Hamburg | Hamburg |
| 141.34.0.0/16 | 65.5K |
8.7%
|
Deutsches Elektronen-Synchrotron DESY | DE | Brandenburg | Königs Wusterhausen |
| 192.76.172.0/24 | 256 |
33.2%
|
Deutsches Elektronen-Synchrotron DESY | DE | — | — |
| 192.109.31.0/24 | 256 |
13.3%
|
Deutsches Elektronen-Synchrotron DESY | DE | Schleswig-Holstein | Wedel |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS1754 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 |
|---|---|---|
| 141.34.0.0/16 | 8,583 | 2026-07-22 17:55:35 |
| 131.169.0.0/16 | 7,956 | 2026-07-22 17:55:35 |
| 192.76.172.0/24 | 6,847 | 2026-07-22 17:56:24 |
| 192.109.31.0/24 | 6,433 | 2026-07-22 17:56:24 |
Frequently Asked Questions
What is AS1754?
AS1754 is an Autonomous System Number assigned to Deutsches Elektronen-Synchrotron DESY. 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 AS1754 announce?
AS1754 announces 131.6K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Germany.
Who operates AS1754?
AS1754 is operated by Deutsches Elektronen-Synchrotron DESY. The organization is based in Germany. You can view all IP ranges and related ASNs on the organization page.
What country is AS1754 registered in?
AS1754 is registered in Germany. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
