Silesian University of Technology, Computer Centre
Data as of 2026-07-26
BGP inherited
Cluster stats
| Netblocks | 31 · 206,080 IPv4 addresses |
| IPv6 | 5 prefixes (largest 2a01:1d8::/29) |
| Cluster ID | 214274227 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 9 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
6 weekly snapshots · JSON
32
0 netblocks since 2026-07-05
2026-07-05
peak 32
2026-07-26
IP Ranges (31)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 83.230.0.0/18 | Silesian University of Technology, Computer Centre | BGP | ANNOUNCED | ● high |
| 83.230.64.0/20 | Silesian University of Technology, Computer Centre | BGP | ANNOUNCED | ● high |
| 83.230.64.0/21 | Silesian University of Technology, Computer Centre | BGP | ANNOUNCED | ● high |
| 83.230.80.0/20 | Silesian University of Technology, Computer Centre | BGP | ANNOUNCED | ● high |
| 83.230.94.0/24 | Silesian University of Technology, Computer Centre | BGP | ANNOUNCED | ● high |
| 83.230.96.0/19 | Silesian University of Technology, Computer Centre | BGP | ANNOUNCED | ● high |
| 83.230.99.0/24 | Silesian University of Technology, Computer Centre | BGP | ANNOUNCED | ● high |
| 83.230.110.0/24 | Silesian University of Technology, Computer Centre | BGP | ANNOUNCED | ● high |
| 83.230.118.0/23 | Silesian University of Technology, Computer Centre | BGP | ANNOUNCED | ● high |
| 91.220.103.0/24 | Silesian University of Technology, Computer Centre | BGP | ANNOUNCED | ● high |
| 155.158.0.0/16 | Silesian University of Technology, Computer Centre | BGP | ANNOUNCED | ● high |
| 157.158.0.0/16 | Silesian University of Technology, Computer Centre | BGP | ANNOUNCED | ● high |
| 195.82.160.0/19 | Silesian University of Technology, Computer Centre | BGP | ANNOUNCED | ● high |
| 212.106.128.0/19 | Silesian University of Technology, Computer Centre | BGP | ANNOUNCED | ● high |
| 212.106.160.0/20 | Silesian University of Technology, Computer Centre | BGP | ANNOUNCED | ● high |
| 212.106.176.0/20 | Silesian University of Technology, Computer Centre | BGP | ANNOUNCED | ● high |
| 212.106.183.0/24 | Silesian University of Technology, Computer Centre | BGP | ANNOUNCED | ● high |
| 212.106.184.0/22 | Silesian University of Technology, Computer Centre | BGP | ANNOUNCED | ● high |
| 213.227.64.0/20 | Silesian University of Technology, Computer Centre | BGP | ANNOUNCED | ● high |
| 213.227.80.0/20 | Silesian University of Technology, Computer Centre | BGP | ANNOUNCED | ● high |
| 213.227.88.0/21 | Silesian University of Technology, Computer Centre | BGP | ANNOUNCED | ● high |
| 213.227.96.0/19 | Silesian University of Technology, Computer Centre | BGP | ANNOUNCED | ● high |
| 2a01:1dc::/32 | Silesian University of Technology, Computer Centre | BGP | ANNOUNCED | ● high |
| 2a01:1dd::/32 | Silesian University of Technology, Computer Centre | BGP | ANNOUNCED | ● high |
| 2a01:1de::/32 | Silesian University of Technology, Computer Centre | BGP | ANNOUNCED | ● high |
| 2a01:1df::/32 | Silesian University of Technology, Computer Centre | BGP | ANNOUNCED | ● high |
| 83.230.0.0/17 | Silesian University of Technology, Computer Centre | RIPE | ALLOCATED PA | ● low |
| 185.126.188.0/22 | Silesian University of Technology, Computer Centre | RIPE | ALLOCATED PA | ● low |
| 212.106.128.0/18 | Silesian University of Technology, Computer Centre | RIPE | ALLOCATED PA | ● low |
| 213.227.64.0/18 | Silesian University of Technology, Computer Centre | RIPE | ALLOCATED PA | ● low |
| 2a01:1d8::/29 | Silesian University of Technology, Computer Centre | RIPE | ALLOCATED-BY-RIR | ● low |
IPv6 ranges (5)
Network trust
what's this?
RPKI hygiene: B
how networks compare →
87.5%
of checked blocks have valid RPKI ROA coverage
(28 of 32)
No discrepancies found among checked blocks.
NIC Handles
AS15744
AS199279
AS8508
DUMY-RIPE
DUMY-RIPE
ORG-CSUo1-RIPE
PL-CKPOLSL-MNT
PL-CKPOLSL-MNT
RIPE-NCC-HM-MNT