Piotr Wladykowski trading as ARSIM
Data as of 2026-07-26
BGP inherited
Cluster stats
| Netblocks | 7 · 1,024 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2a0e:b40::/29) |
| Cluster ID | 214455049 |
| 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 | |
Footprint over time
6 weekly snapshots · JSON
8
0 netblocks since 2026-07-05
2026-07-05
peak 8
2026-07-26
IP Ranges (7)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 45.89.8.0/24 | Piotr Wladykowski trading as ARSIM | BGP | ANNOUNCED | ● high |
| 2a0e:b40::/48 | Piotr Wladykowski trading as ARSIM | BGP | ANNOUNCED | ● high |
| 45.89.8.0/22 | Piotr Wladykowski trading as ARSIM | RIPE | ALLOCATED PA | ● low |
| 45.89.9.0/24 | Piotr Wladykowski trading as ARSIM | RIPE | ASSIGNED PA | ● low |
| 45.89.10.0/24 | Piotr Wladykowski trading as ARSIM | RIPE | ASSIGNED PA | ● low |
| 45.89.11.0/24 | Piotr Wladykowski trading as ARSIM | RIPE | ASSIGNED PA | ● low |
| 2a0e:b40::/29 | Piotr Wladykowski trading as ARSIM | RIPE | ALLOCATED-BY-RIR | ● low |
IPv6 ranges (2)
Network trust
what's this?
RPKI hygiene: C
how networks compare →
62.5%
of checked blocks have valid RPKI ROA coverage
(5 of 8)
Possible discrepancies (1)
These blocks are registered to Piotr Wladykowski trading as ARSIM 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.
| 45.89.10.0/24 /24 | authorized for AS202712 — TOOFIBER JUSTYNA TALAGA |
NIC Handles
AS62321
DUMY-RIPE
DUMY-RIPE
ORG-PWTA2-RIPE
RIPE-NCC-HM-MNT
mnt-pl-arsim-1
mnt-pl-arsim-1