Johann Rohrer GmbH
Johann Rohrer GMBH
GLEIF verified
LEI
529900VZ6G7NSQ0EQ491
Registered name
Johann Rohrer GmbH
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 16 |
| All fragments | 20 blocks across 3 clusters |
| Cluster ID | 192659673 |
| Registry | RIPE |
| Owner jurisdiction | AT |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 529900VZ6G7NSQ0EQ491 |
| Shared handles | clustered on 9 shared RIR contact/maintainer handles |
| Registry names | 9 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
3 weekly snapshots · JSON
16
0 netblocks since 2026-07-05
2026-07-05
peak 16
2026-07-12
IP Ranges (16)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 37.16.68.160/30 | Johann Rohrer GMBH | RIPE | ASSIGNED PA | ● high |
| 37.16.68.164/30 | Johann Rohrer GMBH | RIPE | ASSIGNED PA | ● high |
| 82.100.251.64/29 | JOHANN-NET1 | RIPE | ASSIGNED PA | ● low |
| 83.65.16.136/30 | Johann-Rohrer-GmbH | RIPE | ASSIGNED PA | ● low |
| 83.65.16.140/30 | Johann-Rohrer-GmbH | RIPE | ASSIGNED PA | ● low |
| 91.26.18.152/29 | JOHANN-ROHRER-NEUSTADT-NET | RIPE | ASSIGNED PA | ● low |
| 91.26.23.216/29 | JOHANN-ROHRER-HAMBURG-NET | RIPE | ASSIGNED PA | ● low |
| 91.26.32.208/29 | JOHANN-ROHRER-BUXTEHUDE-NET | RIPE | ASSIGNED PA | ● low |
| 93.240.241.128/29 | JOHANN-ROHRER-HEMMINGSTEDT-NET | RIPE | ASSIGNED PA | ● low |
| 212.23.147.96/29 | JOHANN-ROHRER-NET | RIPE | ASSIGNED PA | ● low |
| 217.5.218.32/29 | JOHANN-ROHRER-KOELN-NET | RIPE | ASSIGNED PA | ● low |
| 2003:c1:7828::/48 | JOHANN-ROHRER-HAMBURG-NET | RIPE | ASSIGNED | ● low |
| 2003:c7:43::/48 | JOHANN-ROHRER-KOELN-NET | RIPE | ASSIGNED | ● low |
| 2003:d4:1f::/48 | JOHANN-ROHRER-NEUSTADT-NET | RIPE | ASSIGNED | ● low |
| 2003:e9:e01e::/48 | JOHANN-ROHRER-BUXTEHUDE-NET | RIPE | ASSIGNED | ● low |
| 2003:ea:3815::/48 | JOHANN-ROHRER-HEMMINGSTEDT-NET | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(16 of 16)
Possible discrepancies (5)
These blocks are registered to Johann Rohrer 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.
| 2003:ea:3815::/48 /48 | authorized for AS3320 — Deutsche Telekom AG |
| 2003:c7:43::/48 /48 | authorized for AS3320 — Deutsche Telekom AG |
| 2003:d4:1f::/48 /48 | authorized for AS3320 — Deutsche Telekom AG |
| 2003:e9:e01e::/48 /48 | authorized for AS3320 — Deutsche Telekom AG |
| 2003:c1:7828::/48 /48 | authorized for AS3320 — Deutsche Telekom AG |
NIC Handles
DTAG-NIC
DUMY-RIPE
DUMY-RIPE
GFR-MNT
MK-NETZDIENSTE-MNT
ORG-JRG3-RIPE
ORG-JRG4-RIPE
PRIO-MNT
TXX-MNT