Alfahosting GmbH
Cluster stats
| Netblocks | 28 |
| All fragments | 42 blocks across 3 clusters |
| Cluster ID | 191624958 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 5 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (28)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 185.3.232.0/23 | Alfahosting GmbH | RIPE | ASSIGNED PA | ● high |
| 46.243.88.0/23 | ALFAHOSTING-NET | RIPE | ASSIGNED PA | ● low |
| 46.243.90.0/23 | ALFAHOSTING-NET | RIPE | ASSIGNED PA | ● low |
| 46.243.92.0/23 | ALFAHOSTING-NET | RIPE | ASSIGNED PA | ● low |
| 46.243.94.0/23 | ALFAHOSTING-NET | RIPE | ASSIGNED PA | ● low |
| 109.237.128.0/23 | ALFAHOSTING-NET | RIPE | ASSIGNED PA | ● low |
| 109.237.130.0/23 | ALFAHOSTING-NET | RIPE | ASSIGNED PA | ● low |
| 109.237.132.0/23 | ALFAHOSTING-NET | RIPE | ASSIGNED PA | ● low |
| 109.237.134.0/23 | ALFAHOSTING-NET | RIPE | ASSIGNED PA | ● low |
| 109.237.136.0/23 | ALFAHOSTING-NET | RIPE | ASSIGNED PA | ● low |
| 109.237.138.0/23 | ALFAHOSTING-NET | RIPE | ASSIGNED PA | ● low |
| 109.237.140.0/23 | ALFAHOSTING-NET | RIPE | ASSIGNED PA | ● low |
| 109.237.142.0/24 | ALFAHOSTING-NET | RIPE | ASSIGNED PA | ● low |
| 109.237.143.0/25 | ALFAHOSTING-NET | RIPE | ASSIGNED PA | ● low |
| 109.237.143.128/26 | ALFAHOSTING-NET | RIPE | ASSIGNED PA | ● low |
| 109.237.143.192/26 | ALFAHOSTING-NET | RIPE | ASSIGNED PA | ● low |
| 148.251.254.105/32 | ALFAHOSTING-GMBH | RIPE | LEGACY | ● low |
| 148.251.254.106/32 | ALFAHOSTING-GMBH | RIPE | LEGACY | ● low |
| 176.9.166.208/28 | ALFAHOSTING-GMBH | RIPE | ASSIGNED PA | ● low |
| 185.137.168.0/26 | ALFAHOSTING-NET | RIPE | ASSIGNED PA | ● low |
| 185.137.169.0/24 | ALFAHOSTING-NET | RIPE | ASSIGNED PA | ● low |
| 2a01:4f8:201:22cc::/64 | ALFAHOSTING-GMBH | RIPE | ASSIGNED | ● low |
| 2a01:4f8:2b02:a88::/64 | ALFAHOSTING-GMBH | RIPE | ASSIGNED | ● low |
| 2a01:4f8:fff3:66::/64 | ALFAHOSTING-GMBH | RIPE | ASSIGNED | ● low |
| 2a02:2b80:101::/48 | ALFAHOSTING-NET | RIPE | ASSIGNED | ● low |
| 2a02:2b80:102::/48 | ALFAHOSTING-NET | RIPE | ASSIGNED | ● low |
| 2a02:2b80:103::/48 | ALFAHOSTING-NET | RIPE | ASSIGNED | ● low |
| 2a02:2b80:a1fa::/48 | ALFAHOSTING-NET | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: B
how networks compare →
92.9%
of checked blocks have valid RPKI ROA coverage
(26 of 28)
Possible discrepancies (18)
These blocks are registered to Alfahosting GmbH but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2a02:2b80:101::/48 /48 | authorized for AS8648 — dogado GmbH |
| 2a02:2b80:102::/48 /48 | authorized for AS8648 — dogado GmbH |
| 2a02:2b80:103::/48 /48 | authorized for AS8648 — dogado GmbH |
| 2a02:2b80:a1fa::/48 /48 | authorized for AS8648 — dogado GmbH |
| 109.237.134.0/23 /23 | authorized for AS8648 — dogado GmbH |
| 109.237.136.0/23 /23 | authorized for AS8648 — dogado GmbH |
| 109.237.138.0/23 /23 | authorized for AS8648 — dogado GmbH |
| 109.237.140.0/23 /23 | authorized for AS8648 — dogado GmbH |
| 109.237.132.0/23 /23 | authorized for AS8648 — dogado GmbH |
| 109.237.130.0/23 /23 | authorized for AS8648 — dogado GmbH |
| 109.237.128.0/23 /23 | authorized for AS8648 — dogado GmbH |
| 46.243.88.0/23 /23 | authorized for AS8648 — dogado GmbH |
| 46.243.90.0/23 /23 | authorized for AS8648 — dogado GmbH |
| 46.243.92.0/23 /23 | authorized for AS8648 — dogado GmbH |
| 46.243.94.0/23 /23 | authorized for AS8648 — dogado GmbH |
+3 more — see the REST API
NIC Handles
DUMY-RIPE
DUMY-RIPE
HOS-GUN
ONE-NETWORK-MNT
ORG-AG53-RIPE