Jan Stetina
Data as of 2026-07-26
BGP inherited
Limited data: only 3 ranges found registered
under this exact name. This may not reflect the organisation's full internet footprint — many companies'
web and cloud infrastructure is hosted under a third-party provider's own registration rather than their own.
Cluster stats
| Netblocks | 3 · 1,024 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2a00:5c20::/30) |
| Cluster ID | 213311943 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 7 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 (3)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 185.21.220.0/22 | Jan Stetina | BGP | ANNOUNCED | ● high |
| 2a00:5c20::/32 | Jan Stetina | BGP | ANNOUNCED | ● high |
| 2a00:5c20::/30 | Jan Stetina | RIPE | ALLOCATED-BY-RIR | ● low |
IPv6 ranges (2)
Network trust
what's this?
RPKI hygiene: C
how networks compare →
75.0%
of checked blocks have valid RPKI ROA coverage
(3 of 4)
No discrepancies found among checked blocks.
NIC Handles
AS199298
DUMY-RIPE
DUMY-RIPE
GIGANETcz-MNT
GIGANETcz-MNT
ORG-JS53-RIPE
RIPE-NCC-HM-MNT