Sebastian Stefanek trading as MatHost.eu
Data as of 2026-11-08
BGP inherited
This organisation
| Netblocks | 18 · 1,280 IPv4 addresses |
| IPv6 | 13 prefixes (largest 2a13:c8c4:1000::/36) |
| Registered in | Germany (4) · United States (2) · Czechia (1) |
| Record ID | 265351877 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 41 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 (18)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 89.144.32.0/24 | Sebastian Stefanek trading as MatHost.eu | RIPE | ASSIGNED PA | ● high |
| 145.79.141.0/24 | Sebastian Stefanek trading as MatHost.eu | RIPE | LEGACY | ● high |
| 44.30.200.0/24 | Sebastian Stefanek trading as MatHost.eu | BGP | ANNOUNCED | ● medium |
| 2a05:dfc1:1410::/44 | Sebastian Stefanek trading as MatHost.eu | BGP | ANNOUNCED | ● medium |
| 2a06:1283:8904::/48 | Sebastian Stefanek trading as MatHost.eu | BGP | ANNOUNCED | ● medium |
| 2a06:1283:890c::/48 | Sebastian Stefanek trading as MatHost.eu | BGP | ANNOUNCED | ● medium |
| 2a07:54c1:c000::/44 | Sebastian Stefanek trading as MatHost.eu | BGP | ANNOUNCED | ● medium |
| 2a0f:85c1:80b::/48 | Sebastian Stefanek trading as MatHost.eu | BGP | ANNOUNCED | ● medium |
| 2a0f:b240:5c00::/40 | Sebastian Stefanek trading as MatHost.eu | BGP | ANNOUNCED | ● medium |
| 2a13:9500:53::/48 | Sebastian Stefanek trading as MatHost.eu | BGP | ANNOUNCED | ● medium |
| 2a13:c8c4:1000::/36 | Sebastian Stefanek trading as MatHost.eu | BGP | ANNOUNCED | ● medium |
| 2a13:c8c4:ff00::/40 | Sebastian Stefanek trading as MatHost.eu | BGP | ANNOUNCED | ● medium |
| 2a14:7580:ff9c::/48 | Sebastian Stefanek trading as MatHost.eu | BGP | ANNOUNCED | ● medium |
| 2a14:7585:4000::/48 | Sebastian Stefanek trading as MatHost.eu | BGP | ANNOUNCED | ● medium |
| 2a14:7585:d200::/44 | Sebastian Stefanek trading as MatHost.eu | BGP | ANNOUNCED | ● medium |
| 2a14:7585:d400::/44 | Sebastian Stefanek trading as MatHost.eu | BGP | ANNOUNCED | ● medium |
| 87.232.107.0/24 | Sebastian Stefanek trading as MatHost.eu | RIPE | SUB-ALLOCATED PA | ● low |
| 191.44.18.0/24 | Sebastian Stefanek trading as MatHost.eu | RIPE | ASSIGNED PA | ● low |
IPv6 ranges (13)
Footprint over time
20 weekly snapshots · JSON
27
+6 netblocks since 2026-07-05
2026-07-05
peak 27
2026-11-08
Other domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: B
how networks compare →
81.5%
of checked blocks have valid RPKI ROA coverage
(22 of 27)
Possible discrepancies (4)
These blocks are registered to Sebastian Stefanek trading as MatHost.eu but cryptographically authorized for a different, unrelated network (3 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 145.79.141.0/24 /24 | authorized for AS834 — IPXO LLC |
| 87.232.107.0/24 /24 | authorized for AS135402 — Wired ISP Inc. |
| 191.44.18.0/24 /24 | authorized for AS152631 — Xyhelper Inc |
| 145.79.141.0/24 /24 | authorized for AS834 — IPXO LLC |
NIC Handles
AR834
AS20473
AS214762
AS9304
DUMY-RIPE
DUMY-RIPE
GHOSTNET-MNT
GHOSTNET-MNT
GOCODEIT-AUTO-MNT
GOCODEIT-AUTO-MNT
GOCODEIT-MNT
GOCODEIT-MNT
+29 more