Albert-Ludwigs-Universitaet Freiburg
BGP inherited
Complete entity footprint
2 linked clusters ·
201 netblocks ·
2,909,845 IPv4 addresses
This organisation's clusters combined by evidence —
shared operating domain uni-freiburg.de
— not name similarity, so genuinely different organisations that share a name are excluded.
Cluster stats
| Netblocks | 59 · 91,602 IPv4 addresses |
| Cluster ID | 208836597 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 8 shared RIR contact/maintainer handles |
| Registry names | 5 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
61
0 netblocks since 2026-07-05
2026-07-05
peak 61
2026-07-19
IP Ranges (59)
showing 50 of 59 — see all — ⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 132.230.0.0/16 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.0.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.0.0 – 192.52.50.255 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.1.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.2.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.3.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.4.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.5.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.6.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.7.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.8.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.9.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.10.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.11.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.12.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.13.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.14.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.15.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.16.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.17.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.18.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.19.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.20.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.21.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.22.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.23.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.24.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.25.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.26.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.27.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.28.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.29.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.30.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.31.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.32.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.33.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.34.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.35.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.36.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.37.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.38.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.39.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.40.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.41.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.42.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.43.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.44.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.45.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.46.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
| 192.52.47.0/24 | Albert-Ludwigs-Universitaet Freiburg | RIPE | LEGACY | ● high |
Domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: A
how networks compare →
98.3%
of checked blocks have valid RPKI ROA coverage
(58 of 59)
Possible discrepancies (3)
These blocks are registered to Albert-Ludwigs-Universitaet Freiburg but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2a00:2381:e842::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 2a00:2381:3b67::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 2003:f6:5819::/48 /48 | authorized for AS3320 — Deutsche Telekom AG |
NIC Handles
BELWUE-MNT
BTNET-MNT
DTAG-NIC
DUMY-RIPE
DUMY-RIPE
HOS-GUN
ORG-RUF1-RIPE
RIPE-NCC-LEGACY-MNT