PL-LUB-UMCS
Cluster stats
Netblocks31
All fragments 33 blocks across 2 clusters
Cluster ID191937712
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
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

IP Ranges (31)

⬇ export CSV
CIDR Org name Registry Status Confidence
212.182.57.176/28 PL-LUB-UMCS RIPE ASSIGNED PA ● high
5.201.0.0/18 PL-LUB-UMCS RIPE ASSIGNED PA ● low
5.201.64.0/18 PL-LUB-UMCS RIPE ASSIGNED PA ● low
87.246.192.0/23 PL-LUB-UMCS RIPE ASSIGNED PA ● low
87.246.194.0/23 PL-LUB-UMCS RIPE ASSIGNED PA ● low
87.246.196.0/23 PL-LUB-UMCS RIPE ASSIGNED PA ● low
87.246.198.0/23 PL-LUB-UMCS RIPE ASSIGNED PA ● low
87.246.206.0/23 PL-LUB-UMCS RIPE ASSIGNED PA ● low
87.246.208.0/24 PL-LUB-UMCS RIPE ASSIGNED PA ● low
87.246.209.0/24 PL-LUB-UMCS RIPE ASSIGNED PA ● low
87.246.210.0/24 PL-LUB-UMCS RIPE ASSIGNED PA ● low
87.246.211.0/24 PL-LUB-UMCS RIPE ASSIGNED PA ● low
87.246.240.0/21 PL-LUB-UMCS RIPE ASSIGNED PA ● low
87.246.248.0/22 PL-LUB-UMCS RIPE ASSIGNED PA ● low
87.246.252.0/23 PL-LUB-UMCS RIPE ASSIGNED PA ● low
87.246.254.0/25 PL-LUB-UMCS RIPE ASSIGNED PA ● low
87.246.254.128/25 PL-LUB-UMCS RIPE ASSIGNED PA ● low
87.246.255.0/24 PL-LUB-UMCS RIPE ASSIGNED PA ● low
212.182.0.0/20 PL-LUB-UMCS RIPE ASSIGNED PA ● low
212.182.24.0/22 PL-LUB-UMCS RIPE ASSIGNED PA ● low
212.182.52.0/24 PL-LUB-UMCS RIPE ASSIGNED PA ● low
212.182.57.0/29 PL-LUB-UMCS RIPE ASSIGNED PA ● low
212.182.57.16/28 PL-LUB-UMCS RIPE ASSIGNED PA ● low
212.182.57.80/28 PL-LUB-UMCS RIPE ASSIGNED PA ● low
212.182.57.112/29 PL-LUB-UMCS RIPE ASSIGNED PA ● low
212.182.57.120/29 PL-LUB-UMCS RIPE ASSIGNED PA ● low
212.182.57.144/29 PL-LUB-UMCS RIPE ASSIGNED PA ● low
212.182.57.216/29 PL-LUB-UMCS RIPE ASSIGNED PA ● low
212.182.57.224/27 PL-LUB-UMCS RIPE ASSIGNED PA ● low
212.182.72.0/21 PL-LUB-UMCS RIPE ASSIGNED PA ● low
2a04:440:10::/48 PL-LUB-UMCS RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (31 of 31)
Possible discrepancies (20)

These blocks are registered to PL-LUB-UMCS 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.

2a04:440:10::/48 /48 authorized for AS12324 — Maria Curie-Sklodowska University
5.201.64.0/18 /18 authorized for AS12324 — Maria Curie-Sklodowska University
5.201.0.0/18 /18 authorized for AS12324 — Maria Curie-Sklodowska University
212.182.0.0/20 /20 authorized for AS12324 — Maria Curie-Sklodowska University
212.182.72.0/21 /21 authorized for AS12324 — Maria Curie-Sklodowska University
87.246.240.0/21 /21 authorized for AS12324 — Maria Curie-Sklodowska University
87.246.248.0/22 /22 authorized for AS12324 — Maria Curie-Sklodowska University
212.182.24.0/22 /22 authorized for AS12324 — Maria Curie-Sklodowska University
87.246.192.0/23 /23 authorized for AS12324 — Maria Curie-Sklodowska University
87.246.194.0/23 /23 authorized for AS12324 — Maria Curie-Sklodowska University
87.246.196.0/23 /23 authorized for AS12324 — Maria Curie-Sklodowska University
87.246.198.0/23 /23 authorized for AS12324 — Maria Curie-Sklodowska University
87.246.252.0/23 /23 authorized for AS12324 — Maria Curie-Sklodowska University
87.246.206.0/23 /23 authorized for AS12324 — Maria Curie-Sklodowska University
87.246.208.0/24 /24 authorized for AS12324 — Maria Curie-Sklodowska University
+5 more — see the REST API

NIC Handles

DUMY-RIPE DUMY-RIPE PL-LUBMAN-MNT UMCS1-RIPE