Mastersoft Oy

Mastersoft S.R.L.
GLEIF verified
LEI
549300R5XEP2KQLJ4D20
Registered name
Mastersoft Oy
Jurisdiction
FI
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks25 · 7,399 IPv4 addresses
Registered in Czechia (8) · Russia (6) · China (4) · Japan (3) · United Kingdom (2) · Hong Kong (1)
Cluster ID214445130
RegistryBGP
Owner jurisdictionFI
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 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

Footprint over time

6 weekly snapshots · JSON
25 0 netblocks since 2026-07-05
2026-07-05 peak 25 2026-07-26

IP Ranges (25)

⬇ 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
45.151.183.0/24 Mastersoft S.R.L. BGP ANNOUNCED ● high
46.8.112.0/24 Mastersoft S.R.L. RIPE ASSIGNED PA ● high
46.8.112.0/24 Mastersoft S.R.L. BGP ANNOUNCED ● high
46.8.113.0/24 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. 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. RIPE ASSIGNED PA ● 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
188.130.208.0/24 Mastersoft S.R.L. RIPE ASSIGNED PA ● high
192.145.98.0/24 Mastersoft S.R.L. BGP ANNOUNCED ● high
193.104.230.0/24 Mastersoft LLC RIPE ASSIGNED PI ● high
193.104.230.0/24 Mastersoft LLC BGP ANNOUNCED ● high
195.78.49.0/24 Mastersoft S.R.L. BGP ANNOUNCED ● high

Network trust

what's this?
RPKI hygiene: B how networks compare →
92.0% of checked blocks have valid RPKI ROA coverage (23 of 25)
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