Cubic Circle B.V.

Data as of 2026-10-18
BGP inherited
This organisation
Netblocks14 · 2,332 IPv4 addresses
IPv6 4 prefixes (largest 2a00:a5c0::/32)
Record ID250231778
RegistryBGP
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 8 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (14)

⬇ export CSV
CIDR Org name Registry Status Confidence
212.125.128.0/24 Cubic Circle B.V. BGP ANNOUNCED ● high
212.125.129.0/24 Cubic Circle B.V. BGP ANNOUNCED ● high
212.125.130.0/23 Cubic Circle B.V. BGP ANNOUNCED ● high
212.125.135.0/24 Cubic Circle B.V. BGP ANNOUNCED ● high
212.125.143.0/24 Cubic Circle B.V. BGP ANNOUNCED ● high
212.125.128.0/21 Cubic Circle B.V. RIPE ALLOCATED PA ● low
213.124.23.144/29 CUBIC_CIRCLE_BV RIPE ASSIGNED PA ● low
213.125.73.20/30 CUBIC_CIRCLE_BV RIPE ASSIGNED PA ● low
213.125.92.176/29 CUBIC_CIRCLE_BV RIPE ASSIGNED PA ● low
213.126.25.240/29 CUBIC_CIRCLE_BV RIPE ASSIGNED PA ● low
2001:41f0:532d::/48 CUBIC_CIRCLE_BV RIPE ASSIGNED ● low
2001:41f0:6774::/48 CUBIC_CIRCLE_BV RIPE ASSIGNED ● low
2001:41f0:75b7::/48 CUBIC_CIRCLE_BV RIPE ASSIGNED ● low
2a00:a5c0::/32 Cubic Circle B.V. RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (4)

Footprint over time

17 weekly snapshots · JSON
15 0 netblocks since 2026-07-05
2026-07-05 peak 15 2026-10-18

Other domains hosted in this network

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Network trust

what's this?
RPKI hygiene: B how networks compare →
86.7% of checked blocks have valid RPKI ROA coverage (13 of 15)
Possible discrepancies (3)

These blocks are registered to Cubic Circle B.V. 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.

2001:41f0:6774::/48 /48 authorized for AS33915 — Vodafone Libertel B.V.
2001:41f0:75b7::/48 /48 authorized for AS33915 — Vodafone Libertel B.V.
2001:41f0:532d::/48 /48 authorized for AS33915 — Vodafone Libertel B.V.

NIC Handles

AS5419 CUCI CUCI DUMY-RIPE DUMY-RIPE ORG-CCB1-RIPE RIPE-NCC-HM-MNT ZIGGO-AUTOREG1