Deufol Ceska republika, a.s.

Data as of 2026-11-08
BGP inherited
This organisation
Netblocks5
IPv6 2 prefixes (largest 2a01:430:172::/48)
Record ID266274750
RegistryRIPE
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 4 shared RIR contact/maintainer handles
Registry names 1 distinct registrant name across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (5)

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CIDR Org name Registry Status Confidence
77.93.206.128/28 Deufol Ceska republika, a.s. RIPE ASSIGNED PA ● low
81.31.36.216/29 Deufol Ceska republika, a.s. RIPE ASSIGNED PA ● low
81.31.37.144/30 Deufol Ceska republika, a.s. RIPE ASSIGNED PA ● low
2a01:430:172::/48 Deufol Ceska republika, a.s. RIPE ALLOCATED-BY-LIR ● low
2a01:430:24c::/48 Deufol Ceska republika, a.s. RIPE ALLOCATED-BY-LIR ● low

IPv6 ranges (2)

Footprint over time

5 weekly snapshots · JSON
7 0 netblocks since 2026-07-05
2026-07-05 peak 7 2026-07-19

Network trust

what's this?
RPKI hygiene: A how networks compare →
100.0% of checked blocks have valid RPKI ROA coverage (5 of 5)
Possible discrepancies (2)

These blocks are registered to Deufol Ceska republika, a.s. 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.

2a01:430:172::/48 /48 authorized for AS24971 — MasterDC s.r.o.
2a01:430:24c::/48 /48 authorized for AS24971 — MasterDC s.r.o.

NIC Handles

DUMY-RIPE DUMY-RIPE MASTER-MNT ORG-DCRA1-RIPE