AS28748
Marc Pauls (alphacron Datensysteme) — alphacron.de
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Summary
| Country |
 Germany
|
| Organization | Marc Pauls (alphacron Datensysteme) |
| Domain | alphacron.de |
| Number of IPv4 | 37,376 |
| Number of IPv6 | 6.3383× 1029 |
| AS Type | ISP |
| Registry | RIPE NCC |
| Allocated | February 13, 2003 (about 23 years ago) |
| Updated | September 06, 2025 (about 2 months ago) |
IP Ranges
AS28748 announces 9 IPv4 ranges and 1 IPv6 range.
That's a total of 37,376 IPv4 addresses and 6.3383× 1029 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 37.26.200.0/21 |
Alphacron Datensysteme
|
2,048 | RIPE NCC | ASSIGNED PA |
| 44.130.98.0/24 |
 Amateur Radio Digital Communications
|
256 | ARIN | ALLOCATION |
| 44.130.99.0/24 |
Amateur Radio Digital Communications
|
256 | ARIN | ALLOCATION |
| 44.130.100.0/24 |
Amateur Radio Digital Communications
|
256 | ARIN | ALLOCATION |
| 134.97.0.0/17 |
Marc Pauls (alphacron Datensysteme)
|
32,768 | RIPE NCC | LEGACY |
| 185.23.156.0/22 |
Marc Pauls (alphacron Datensysteme)
|
1,024 | RIPE NCC | ALLOCATED PA |
| 192.105.75.0/24 |
 Marc Pauls (alphacron Datensysteme)
|
256 | RIPE NCC | LEGACY |
| 193.22.2.0/24 |
Marc Pauls (alphacron Datensysteme)
|
256 | RIPE NCC | ASSIGNED PI |
| 195.190.142.0/24 |
Marc Pauls (alphacron Datensysteme)
|
256 | RIPE NCC | ASSIGNED PI |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2001:650::/29 |
Alphacron Datensysteme
|
6.3383× 1029 | RIPE NCC | ALLOCATED-BY-LIR |
Peers
AS28748 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.
Upstreams
AS28748 connects to the global Internet via at least 2 upstream providers. In this setup, AS28748 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS28748 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS28748's role in extending Internet access beyond its own infrastructure.