School of Business Administration in Karvina, Silesian University
Data as of 2026-09-06
BGP inherited
This organisation
| Netblocks | 2 |
| IPv6 | 2 prefixes (largest 2001:718:2201::/48) |
| Also registered under this name | 3 netblocks across 2 separate records |
| Record ID | 236374227 |
| 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 (2)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 2001:718:2200:1::/64 | School of Business Administration in Karvina, Silesian University | RIPE | ASSIGNED | ● high |
| 2001:718:2201::/48 | School of Business Administration in Karvina, Silesian University | RIPE | ASSIGNED | ● high |
IPv6 ranges (2)
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 (1)
These blocks are registered to School of Business Administration in Karvina, Silesian University 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.
| 2001:718:2201::/48 /48 | authorized for AS2852 — CESNET z.s.p.o. |
NIC Handles
DUMY-RIPE
DUMY-RIPE
ORG-SoBA1-RIPE
TENCZ-MNT