AS28748
Marc Pauls (AlphaCron Datensysteme)
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 →
AS28748 — global IP footprint
Cities where AS28748 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 |
|---|---|---|---|---|---|---|
| 134.97.64.0/18 | 16.4K |
0.3%
|
Marc Pauls (AlphaCron Datensysteme) | DE | Thuringia | Nesse-Apfelstädt |
| 134.97.32.0/19 | 8.2K |
4.1%
|
Marc Pauls (AlphaCron Datensysteme) | DE | — | — |
| 134.97.16.0/20 | 4.1K |
0.1%
|
Marc Pauls (AlphaCron Datensysteme) | DE | — | — |
| 37.26.200.0/21 | 2.0K |
2.2%
|
Marc Pauls (AlphaCron Datensysteme) | DE | Thuringia | Saalburg-Ebersdorf |
| 134.97.8.0/21 | 2.0K |
0.0%
|
Marc Pauls (AlphaCron Datensysteme) | DE | — | — |
| 134.97.4.0/22 | 1.0K |
0.2%
|
Marc Pauls (AlphaCron Datensysteme) | DE | — | — |
| 185.23.156.0/22 | 1.0K |
0.0%
|
Marc Pauls (AlphaCron Datensysteme) | DE | — | — |
| 44.130.98.0/23 | 512 |
0.4%
|
Marc Pauls (AlphaCron Datensysteme) | US | — | — |
| 134.97.0.0/23 | 512 |
4.3%
|
Marc Pauls (AlphaCron Datensysteme) | DE | — | — |
| 44.130.100.0/24 | 256 |
0.0%
|
Marc Pauls (AlphaCron Datensysteme) | US | — | — |
| 192.105.75.0/24 | 256 |
1.2%
|
Marc Pauls (AlphaCron Datensysteme) | DE | — | — |
| 193.22.2.0/24 | 256 |
8.2%
|
Marc Pauls (AlphaCron Datensysteme) | DE | — | — |
| 195.190.142.0/24 | 256 |
44.5%
|
Marc Pauls (AlphaCron Datensysteme) | DE | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS28748 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 |
|---|---|---|
| 193.22.2.0/24 | 11,341 | 2026-07-25 10:42:43 |
| 192.105.75.0/24 | 11,292 | 2026-07-25 10:42:43 |
| 37.26.200.0/21 | 10,082 | 2026-07-25 10:42:43 |
| 134.97.0.0/17 | 9,970 | 2026-07-25 10:42:43 |
| 185.23.156.0/22 | 9,910 | 2026-07-25 10:42:43 |
| 195.190.142.0/24 | 9,853 | 2026-07-25 10:42:43 |
| 44.130.99.0/24 | 9,724 | 2026-07-25 10:42:50 |
| 44.130.100.0/24 | 9,723 | 2026-07-25 10:42:50 |
| 44.130.98.0/24 | 9,719 | 2026-07-25 10:42:50 |
Frequently Asked Questions
What is AS28748?
AS28748 is an Autonomous System Number assigned to Marc Pauls (AlphaCron Datensysteme). 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 AS28748 announce?
AS28748 announces 36.9K IPv4 addresses distributed across 13 routed CIDR prefixes. The network is registered in Germany.
Who operates AS28748?
AS28748 is operated by Marc Pauls (AlphaCron Datensysteme). The organization is based in Germany. You can view all IP ranges and related ASNs on the organization page.
What country is AS28748 registered in?
AS28748 is registered in Germany. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.