IT-Service Johannsen GmbH
Data as of 2026-09-06
BGP inherited
This organisation
| Netblocks | 4 |
| IPv6 | 3 prefixes (largest 2a00:12e8:2:1200::/56) |
| Also registered under this name | 213 netblocks across 42 separate records |
| Record ID | 236246338 |
| Registry | RIPE |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 4 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (4)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 85.158.5.16/28 | IT-Service Johannsen GmbH | RIPE | ASSIGNED PA | ● high |
| 2a00:12e8:1:14::/64 | IT-Service Johannsen GmbH | RIPE | ASSIGNED | ● high |
| 2a00:12e8:2:1200::/56 | IT-Service Johannsen GmbH | RIPE | ASSIGNED | ● high |
| 2a00:12e8:401:1::/64 | IT-Service Johannsen GmbH | RIPE | ASSIGNED | ● high |
IPv6 ranges (3)
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(4 of 4)
Possible discrepancies (1)
These blocks are registered to IT-Service Johannsen 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.
| 2a00:12e8:2:1200::/56 /56 | authorized for AS29014 — ScaleUp Technologies GmbH & Co. KG |
NIC Handles
DUMY-RIPE
DUMY-RIPE
ORG-IJG1-RIPE
SCALEUP-MNT