Autonomous System
AS28748 Marc Pauls (AlphaCron Datensysteme)
HostingActiveGermanyRIPE
AS28748 (ALPHACRON-AS) is a hosting network operated by Marc Pauls (AlphaCron Datensysteme) in Germany, registered with RIPE. It has 9 IPv4 prefixes with 37,376 addresses and 1 IPv6 prefix, which makes it the 4,917th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses37,376in 9 prefixes
IPv6 prefixes1≈ 6.3 × 10²⁹ addresses
Size rank#4,917of 82,200 active ASNs
Details
OrganizationMarc Pauls (AlphaCron Datensysteme) · hosting provider profile
AS nameALPHACRON-AS
Websitealphacron.de
Country Germany (DE)
Network typeHosting
RegistryRIPE
Abuse contactabuse@alphacron.de
Registered2003-02-13
Last updated2025-09-06
IPv4 prefixes
9 prefixes · 37,376 addresses| Network | Addresses | First – last address |
|---|---|---|
| 134.97.0.0/17 | 32,768 | 134.97.0.0 – 134.97.127.255 |
| 37.26.200.0/21 | 2,048 | 37.26.200.0 – 37.26.207.255 |
| 185.23.156.0/22 | 1,024 | 185.23.156.0 – 185.23.159.255 |
| 44.130.98.0/24 | 256 | 44.130.98.0 – 44.130.98.255 |
| 44.130.99.0/24 | 256 | 44.130.99.0 – 44.130.99.255 |
| 44.130.100.0/24 | 256 | 44.130.100.0 – 44.130.100.255 |
| 192.105.75.0/24 | 256 | 192.105.75.0 – 192.105.75.255 |
| 193.22.2.0/24 | 256 | 193.22.2.0 – 193.22.2.255 |
| 195.190.142.0/24 | 256 | 195.190.142.0 – 195.190.142.255 |
134.97.0.0/17 37.26.200.0/21 185.23.156.0/22 44.130.98.0/24 44.130.99.0/24 44.130.100.0/24 192.105.75.0/24 193.22.2.0/24 195.190.142.0/24
IPv6 prefixes
1 prefix- 2001:650::/29
2001:650::/29
Query AS28748 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS28748&key=YOUR_API_KEY"Any address in its prefixes resolves to AS28748, with or without a key:
curl "https://api.ipapi.is/?q=134.97.0.1"Largest networks in Germany
AS3320 Deutsche Telekom AG36,175,616 IPv4 addressesAS31399 Mercedes-Benz Group AG16,805,888 IPv4 addressesAS3209 Vodafone GmbH15,881,984 IPv4 addressesAS6805 Telefonica Germany GmbH & Co.OHG8,351,488 IPv4 addressesAS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.7,913,472 IPv4 addressesAS24940 Hetzner Online GmbH3,237,120 IPv4 addresses