Mastersoft Oy
Mastersoft S.R.L.
Data as of 2026-09-20
GLEIF verified
LEI
549300R5XEP2KQLJ4D20
Registered name
Mastersoft Oy
Jurisdiction
Ultimate parent
No parent on file in GLEIF
This organisation
| Netblocks | 20 · 6,144 IPv4 addresses |
| Registered in | Czechia (8) · Russia (6) · China (4) · Japan (3) · United Kingdom (2) · South Korea (2) |
| Record ID | 241162746 |
| Registry | BGP |
| Owner jurisdiction | FI |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 549300R5XEP2KQLJ4D20 |
| Shared handles | clustered on 22 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (20)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 5.180.97.0/24 | Mastersoft S.R.L. | BGP | ANNOUNCED | ● high |
| 45.81.35.0/24 | Mastersoft S.R.L. | BGP | ANNOUNCED | ● high |
| 45.151.180.0/24 | Mastersoft S.R.L. | BGP | ANNOUNCED | ● high |
| 45.151.183.0/24 | Mastersoft S.R.L. | BGP | ANNOUNCED | ● high |
| 46.8.112.0/24 | Mastersoft S.R.L. | RIPE | ASSIGNED PA | ● high |
| 46.8.113.0/24 | Mastersoft S.R.L. | BGP | ANNOUNCED | ● high |
| 80.66.69.0/24 | Mastersoft S.R.L. | BGP | ANNOUNCED | ● high |
| 87.251.72.0/24 | Mastersoft S.R.L. | RIPE | ASSIGNED PA | ● high |
| 103.112.68.0/23 | Mastersoft S.R.L. | BGP | ANNOUNCED | ● high |
| 103.112.70.0/23 | Mastersoft S.R.L. | BGP | ANNOUNCED | ● high |
| 103.118.208.0/23 | Mastersoft S.R.L. | BGP | ANNOUNCED | ● high |
| 103.119.18.0/23 | Mastersoft S.R.L. | BGP | ANNOUNCED | ● high |
| 103.200.28.0/24 | Mastersoft S.R.L. | BGP | ANNOUNCED | ● high |
| 109.248.42.0/24 | Mastersoft S.R.L. | BGP | ANNOUNCED | ● high |
| 144.48.10.0/24 | Mastersoft S.R.L. | BGP | ANNOUNCED | ● high |
| 185.245.40.0/24 | Mastersoft S.R.L. | BGP | ANNOUNCED | ● high |
| 188.130.208.0/24 | Mastersoft S.R.L. | BGP | ANNOUNCED | ● high |
| 192.145.98.0/24 | Mastersoft S.R.L. | BGP | ANNOUNCED | ● high |
| 193.104.230.0/24 | Mastersoft LLC | RIPE | ASSIGNED PI | ● high |
| 195.78.49.0/24 | Mastersoft S.R.L. | BGP | ANNOUNCED | ● high |
Footprint over time
13 weekly snapshots · JSON
26
+1 netblocks since 2026-07-05
2026-07-05
peak 26
2026-09-20
Network trust
what's this?
RPKI hygiene: B
how networks compare →
92.3%
of checked blocks have valid RPKI ROA coverage
(24 of 26)
Possible discrepancies (17)
These blocks are registered to Mastersoft S.R.L. 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.
| 109.248.42.0/24 /24 | authorized for AS52000 — MIRhosting B.V. |
| 87.251.72.0/24 /24 | authorized for AS52000 — MIRhosting B.V. |
| 188.130.208.0/24 /24 | authorized for AS51248 — Host-Telecom.com s.r.o. |
| 46.8.112.0/24 /24 | authorized for AS52000 — MIRhosting B.V. |
| 46.8.113.0/24 /24 | authorized for AS51248 — Host-Telecom.com s.r.o. |
| 5.180.97.0/24 /24 | authorized for AS52000 — MIRhosting B.V. |
| 45.81.35.0/24 /24 | authorized for AS52000 — MIRhosting B.V. |
| 45.151.183.0/24 /24 | authorized for AS51248 — Host-Telecom.com s.r.o. |
| 46.8.112.0/24 /24 | authorized for AS52000 — MIRhosting B.V. |
| 46.8.113.0/24 /24 | authorized for AS51248 — Host-Telecom.com s.r.o. |
| 80.66.69.0/24 /24 | authorized for AS52000 — MIRhosting B.V. |
| 87.251.72.0/24 /24 | authorized for AS52000 — MIRhosting B.V. |
| 109.248.42.0/24 /24 | authorized for AS52000 — MIRhosting B.V. |
| 185.245.40.0/24 /24 | authorized for AS30058 — FDCservers.net |
| 188.130.208.0/24 /24 | authorized for AS51248 — Host-Telecom.com s.r.o. |
+2 more — see the REST API
NIC Handles
ACRO51414-RIPE
AS215305
AS50353
DUMY-RIPE
DUMY-RIPE
ID1773-RIPE
IPMAGNAT-MNT
MAINT-CNNIC-AP
MNT-DELTA-LTD
MNT-NETART
MSFT-MNT
MSFT-MNT
+10 more