Syrion Sp. z o.o.
Data as of 2026-10-18
BGP inherited
This organisation
| Netblocks | 4 · 1,538 IPv4 addresses |
| IPv6 | 1 prefix (largest 2a01:1df:1::/48) |
| Record ID | 250314753 |
| 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 | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (4)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 81.30.136.0/23 | Syrion Sp. z o.o. | RIPE | ALLOCATED PA | ● low |
| 81.30.140.0/22 | Syrion Sp. z o.o. | RIPE | ALLOCATED PA | ● low |
| 212.106.159.232/31 | Syrion Sp. z o.o. | RIPE | ASSIGNED PA | ● low |
| 2a01:1df:1::/48 | Syrion Sp. z o.o. | RIPE | ASSIGNED | ● low |
IPv6 ranges (1)
| CIDR |
|---|
| 2a01:1df:1::/48 |
Footprint over time
16 weekly snapshots · JSON
25
-19 netblocks since 2026-07-05
2026-07-05
peak 44
2026-10-11
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(4 of 4)
Possible discrepancies (3)
These blocks are registered to Syrion Sp. z o.o. but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2a01:1df:1::/48 /48 | authorized for AS15744 — Silesian University of Technology, Computer Centre |
| 81.30.140.0/22 /22 | authorized for AS50231 — Miconet Sp. z o.o. |
| 81.30.136.0/23 /23 | authorized for AS50231 — Miconet Sp. z o.o. |
NIC Handles
DUMY-RIPE
DUMY-RIPE
ORG-SSZO97-RIPE
PL-CKPOLSL-MNT
RIPE-NCC-HM-MNT
pl-syrion-1-mnt