KU Leuven
KULEUVEN
Data as of 2026-09-13
Registry
This organisation
| Netblocks | 9 · 3,008 IPv4 addresses |
| IPv6 | 3 prefixes (largest 2001:6a8:2900::/48) |
| Also registered under this name | 14 netblocks across 6 separate records |
| Record ID | 242777823 |
| Registry | RIPE |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | Registry record |
| Shared handles | clustered on 4 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (9)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 193.190.45.0 – 193.190.46.255 | KULeuven | RIPE | ASSIGNED PA | ● high |
| 193.190.145.128/26 | KULEUVEN | RIPE | ASSIGNED PA | ● high |
| 193.190.168.0/23 | KULEUVEN | RIPE | ASSIGNED PA | ● high |
| 193.190.176.0 – 193.190.181.255 | KULEUVEN | RIPE | ASSIGNED PA | ● high |
| 193.190.253.0/24 | KULEUVEN | RIPE | ASSIGNED PA | ● high |
| 193.190.255.0/25 | KULEUVEN | RIPE | ASSIGNED PA | ● high |
| 2001:6a8:2900::/48 | KULEUVEN | RIPE | ASSIGNED | ● high |
| 2001:6a8:2940::/48 | KULEUVEN | RIPE | ASSIGNED | ● high |
| 2001:6a8:2960::/48 | KULEUVEN | RIPE | ASSIGNED | ● high |
IPv6 ranges (3)
Footprint over time
12 weekly snapshots · JSON
9
0 netblocks since 2026-07-05
2026-07-05
peak 9
2026-09-13
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(9 of 9)
Possible discrepancies (7)
These blocks are registered to KU Leuven 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.
| 2001:6a8:2900::/48 /48 | authorized for AS2611 — BELNET |
| 2001:6a8:2940::/48 /48 | authorized for AS2611 — BELNET |
| 2001:6a8:2960::/48 /48 | authorized for AS2611 — BELNET |
| 193.190.176.0 – 193.190.181.255 /21 | authorized for AS2611 — BELNET |
| 193.190.168.0/23 /23 | authorized for AS2611 — BELNET |
| 193.190.45.0 – 193.190.46.255 /23 | authorized for AS2611 — BELNET |
| 193.190.253.0/24 /24 | authorized for AS2611 — BELNET |
NIC Handles
BELNET-MNT
DUMY-RIPE
DUMY-RIPE
KAC56-RIPE