MasterDC s.r.o.

PRAHA-4D-VSPHERE-2-CZ-MAI

BGP inherited

Cluster stats

Netblocks	1
All fragments	8 blocks across 8 clusters
Cluster ID	204689004
Registry	RIPE
Customers	find customers using this network →

Evidence & provenance ?

Attribution	BGP parent (inherited)
Shared handles	clustered on 3 shared RIR contact/maintainer handles
Registry names	1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (1)

⬇ export CSV

CIDR	Org name	Registry	Status	Confidence
178.238.38.192/26	PRAHA-4D-VSPHERE-2-CZ-MAI	RIPE	ASSIGNED PA	● medium

Possibly related to this organisation

what's this?

Same name family

Separately-registered clusters whose names share “PRAHA 4D VSPHERE” — often per-country or per-system registrations of the same brand, occasionally a different organisation sharing the name. Not counted in this organisation's own footprint.

Sub-allocations under carriers

IP blocks an ISP reassigned to a similarly-named customer — decoded from the ISP's own naming convention, not a direct registration.

PRAHA-4D-VSPHERE-3-CZ-MAI via MasterDC s.r.o. sub-allocation
PRAHA-4D-VSPHERE-4-CZ-MAI via MasterDC s.r.o. sub-allocation
PRAHA-4D-VSPHERE-5-CZ-MAI via MasterDC s.r.o. sub-allocation
PRAHA-4D-VSPHERE-6-CZ-MAI via MasterDC s.r.o. sub-allocation
PRAHA-4D-VSPHERE-7-CZ-MAI via MasterDC s.r.o. sub-allocation
PRAHA-4D-VSPHERE-8-CZ-MAI via MasterDC s.r.o. sub-allocation
PRAHA-4D-VSPHERE-9-CZ-MAI via MasterDC s.r.o. sub-allocation

Network trust

what's this?

RPKI hygiene: A how networks compare →

100.0% of checked blocks have valid RPKI ROA coverage (1 of 1)

No discrepancies found among checked blocks.

NIC Handles

DUMY-RIPE DUMY-RIPE MASTER-MNT