Universitetet i Oslo
Data as of 2026-10-04
BGP inherited
This organisation
| Netblocks | 8 · 105,480 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2001:700:100::/40) |
| Also registered under this name | 10 netblocks across 3 separate records |
| Record ID | 245983106 |
| Registry | RIPE |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 6 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 (8)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 78.91.124.0/22 | Universitetet i Oslo | RIPE | ASSIGNED PA | ● low |
| 80.232.18.8/30 | UNIVERSITETET-I-OSLO-NET | RIPE | ASSIGNED PA | ● low |
| 80.232.18.12/30 | UNIVERSITETET-I-OSLO-NET | RIPE | ASSIGNED PA | ● low |
| 129.240.0.0/16 | Universitetet i Oslo | RIPE | LEGACY | ● low |
| 193.156.40.0/22 | Universitetet i Oslo | RIPE | ASSIGNED PA | ● low |
| 193.157.108.0 – 193.157.255.255 | Universitetet i Oslo | RIPE | ASSIGNED PA | ● low |
| 2001:700:100::/48 | Universitetet i Oslo | RIPE | ASSIGNED | ● low |
| 2001:700:100::/40 | Universitetet i Oslo | RIPE | AGGREGATED-BY-LIR | ● low |
IPv6 ranges (2)
Footprint over time
15 weekly snapshots · JSON
8
0 netblocks since 2026-07-05
2026-07-05
peak 8
2026-10-04
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(8 of 8)
Possible discrepancies (6)
These blocks are registered to Universitetet i Oslo 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.
| 2001:700:100::/40 /40 | authorized for AS224 — Sikt - Kunnskapssektorens Tjenesteleverandor |
| 2001:700:100::/48 /48 | authorized for AS224 — Sikt - Kunnskapssektorens Tjenesteleverandor |
| 129.240.0.0/16 /16 | authorized for AS224 — Sikt - Kunnskapssektorens Tjenesteleverandor |
| 193.157.108.0 – 193.157.255.255 /17 | authorized for AS224 — Sikt - Kunnskapssektorens Tjenesteleverandor |
| 193.156.40.0/22 /22 | authorized for AS224 — Sikt - Kunnskapssektorens Tjenesteleverandor |
| 78.91.124.0/22 /22 | authorized for AS224 — Sikt - Kunnskapssektorens Tjenesteleverandor |
NIC Handles
DUMY-RIPE
DUMY-RIPE
ORG-UIO2-RIPE
RIPE-NCC-LEGACY-MNT
TELE1-NO-MNT
UNINETT-MNT