Mateusz Tomkiel
Data as of 2026-10-11
BGP inherited
Limited data: only 2 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.
This organisation
| Netblocks | 2 · 256 IPv4 addresses |
| IPv6 | 1 prefix (largest 2a06:9801:f15::/48) |
| Record ID | 245805032 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 14 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 (2)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 201.3.238.0/24 | Mateusz Tomkiel | RIPE | ASSIGNED PA | ● high |
| 2a06:9801:f15::/48 | Mateusz Tomkiel | BGP | ANNOUNCED | ● high |
IPv6 ranges (1)
| CIDR |
|---|
| 2a06:9801:f15::/48 |
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 (2)
These blocks are registered to Mateusz Tomkiel 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.
| 201.3.238.0/24 /24 | authorized for AS215133 — Jakub Witkowski |
| 201.3.238.0/24 /24 | authorized for AS215133 — Jakub Witkowski |
NIC Handles
AS215133
AS219173
DUMY-RIPE
DUMY-RIPE
IPBNB-MNT
IPBNB-MNT
LAGRANGE-AUTO-MNT
LAGRANGE-AUTO-MNT
LSRA2-RIPE
ORG-IWL9-RIPE
ORG-MT249-RIPE
ORG-MT250-RIPE
+2 more