Grossmann Systembetreuung GmbH
BGP inherited
Cluster stats
| Netblocks | 5 · 1,043 IPv4 addresses |
| Cluster ID | 208837074 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 7 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (5)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 193.193.190.0/23 | Grossmann Systembetreuung GmbH | RIPE | ASSIGNED PI | ● high |
| 194.9.182.0/23 | Grossmann Systembetreuung GmbH | RIPE | ASSIGNED PI | ● high |
| 85.220.180.184/29 | GROSSMANN-NET1 | RIPE | ASSIGNED PA | ● low |
| 85.220.190.104/29 | GROSSMANN-NET2 | RIPE | ASSIGNED PA | ● low |
| 91.249.168.112/29 | GROSSMANN_SYSTEMBETREUUNG_GMBH1-NET | RIPE | ASSIGNED PA | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(5 of 5)
Possible discrepancies (2)
These blocks are registered to Grossmann Systembetreuung 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.
| 193.193.190.0/23 /23 | authorized for AS24961 — WIIT AG |
| 194.9.182.0/23 /23 | authorized for AS24961 — WIIT AG |
NIC Handles
DUMY-RIPE
DUMY-RIPE
EWETEL-MNT
MK-NETZDIENSTE-MNT
ORG-GSG22-RIPE
RIPE-NCC-END-MNT
VAUTRON-MNT