1&1 Telecom GmbH
Cluster stats
| Netblocks | 11 |
| All fragments | 810 blocks across 3 clusters |
| Cluster ID | 192391584 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 6 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (11)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 92.116.0.0/15 | 1&1 Telecom GmbH | RIPE | ALLOCATED PA | ● low |
| 92.116.0.0/16 | 1&1 Telecom GmbH | RIPE | ASSIGNED PA | ● low |
| 92.117.0.0/16 | 1&1 Telecom GmbH | RIPE | ASSIGNED PA | ● low |
| 109.250.0.0/16 | 1&1 Telecom GmbH | RIPE | ALLOCATED PA | ● low |
| 109.250.0.0/17 | 1&1 Telecom GmbH | RIPE | ASSIGNED PA | ● low |
| 109.250.128.0/17 | 1&1 Telecom GmbH | RIPE | ASSIGNED PA | ● low |
| 185.235.232.0/23 | 1&1 Telecom GmbH | RIPE | ASSIGNED PA | ● low |
| 185.235.232.0/22 | 1&1 Telecom GmbH | RIPE | ALLOCATED PA | ● low |
| 185.235.234.0/23 | 1&1 Telecom GmbH | RIPE | ASSIGNED PA | ● low |
| 2a0d:7f00::/29 | 1&1 Telecom GmbH | RIPE | ALLOCATED-BY-RIR | ● low |
| 2a0d:7f00::/32 | 1&1 Telecom GmbH | RIPE | ALLOCATED-BY-LIR | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(11 of 11)
Possible discrepancies (2)
These blocks are registered to 1&1 Telecom 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.
| 2a0d:7f00::/29 /29 | authorized for AS8560 — IONOS SE |
| 2a0d:7f00::/32 /32 | authorized for AS8560 — IONOS SE |
NIC Handles
AR30251-RIPE
DUMY-RIPE
DUMY-RIPE
ORG-TG150-RIPE
RIPE-NCC-HM-MNT
de-1and1telecom-1-mnt