DEFACTO SOFTWARE BV
DEFACTO_SOFTWARE_BV
Cluster stats
Netblocks3
All fragments 53 blocks across 14 clusters
Cluster ID192863939
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 4 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (3)

⬇ export CSV
CIDR Org name Registry Status Confidence
81.105.223.96/27 DEFACTO-SOFTWARE RIPE ASSIGNED PA ● low
217.100.229.48/29 DEFACTO_SOFTWARE_BV RIPE ASSIGNED PA ● low
2001:41f0:269e::/48 DEFACTO_SOFTWARE_BV RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (3 of 3)
Possible discrepancies (1)

These blocks are registered to DEFACTO SOFTWARE BV 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.

2001:41f0:269e::/48 /48 authorized for AS33915 — Vodafone Libertel B.V.

NIC Handles

AS5089-MNT DUMY-RIPE DUMY-RIPE ZIGGO-AUTOREG1