Institut »Jožef Stefan«
Institut Jozef Stefan
Data as of 2026-08-16
GLEIF verified
Limited data: only 2 ranges found registered
under this exact name. This may not reflect the organisation's full internet footprint — many companies'
web and cloud infrastructure is hosted under a third-party provider's own registration rather than their own.
LEI
9845000D7B855A710825
Registered name
Institut »Jožef Stefan«
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 2 · 512 IPv4 addresses |
| Cluster ID | 225241040 |
| Registry | RIPE |
| Owner jurisdiction | SI |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 9845000D7B855A710825 |
| Shared handles | clustered on 5 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 (2)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 193.138.1.0/24 | Institut Jozef Stefan | RIPE | ASSIGNED PI | ● high |
| 193.138.2.0/24 | Institut Jozef Stefan | RIPE | ASSIGNED PI | ● high |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(2 of 2)
Possible discrepancies (2)
These blocks are registered to Institut Jozef Stefan 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.
| 193.138.2.0/24 /24 | authorized for AS2107 — ARNES |
| 193.138.1.0/24 /24 | authorized for AS2107 — ARNES |
NIC Handles
BORKA
DUMY-RIPE
DUMY-RIPE
ORG-IJS1-RIPE
RIPE-NCC-END-MNT