University Linz
Cluster stats
Netblocks11
All fragments 3,171 blocks across 487 clusters
Cluster ID191602560
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 10 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
11 0 netblocks since 2026-07-05
2026-07-05 peak 11 2026-07-06

IP Ranges (11)

⬇ export CSV
CIDR Org name Registry Status Confidence
140.78.0.0/16 University Linz BGP ANNOUNCED ● high
192.107.124.0/23 University Linz BGP ANNOUNCED ● high
193.186.172.0/22 University Linz BGP ANNOUNCED ● high
193.186.176.0/22 University Linz BGP ANNOUNCED ● high
2001:678:8d4::/48 University Linz BGP ANNOUNCED ● high
140.78.0.0/16 University Linz RIPE LEGACY ● low
192.107.124.0/24 University Linz RIPE LEGACY ● low
193.171.200.0/21 University Linz RIPE SUB-ALLOCATED PA ● low
193.186.172.0 – 193.186.179.255 University Linz RIPE ASSIGNED PI ● low
2001:628:2010::/48 University Linz RIPE ALLOCATED-BY-LIR ● low
2001:678:8d4::/48 University Linz RIPE ASSIGNED PI ● low

Network trust

what's this?
RPKI hygiene: F how networks compare →
18.2% of checked blocks have valid RPKI ROA coverage (2 of 11)
Possible discrepancies (2)

These blocks are registered to University Linz 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.

2001:628:2010::/48 /48 authorized for AS1853 — ACONET
193.171.200.0/21 /21 authorized for AS1853 — ACONET

NIC Handles

ACONET-LIR-MNT ACONET-LIR-MNT AS1205 AS1205-MNT AS1205-MNT DUMY-RIPE DUMY-RIPE ORG-JKU1-RIPE RIPE-NCC-END-MNT RIPE-NCC-LEGACY-MNT