CEMA BV
CEMA_BV
Registry
Cluster stats
| Netblocks | 7 |
| Registered in | Netherlands (3) · Germany (1) |
| All fragments | 9 blocks across 3 clusters |
| Cluster ID | 209933982 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | Registry record |
| 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 | |
Footprint over time
5 weekly snapshots · JSON
7
0 netblocks since 2026-07-05
2026-07-05
peak 7
2026-07-19
IP Ranges (7)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 85.182.200.64/28 | CEMA-NET | RIPE | ASSIGNED PA | ● low |
| 213.125.113.184/29 | CEMA_BV | RIPE | ASSIGNED PA | ● low |
| 213.125.199.48/29 | CEMA_BV | RIPE | ASSIGNED PA | ● low |
| 213.126.5.224/29 | CEMA_BV | RIPE | ASSIGNED PA | ● low |
| 2001:41f0:2128::/48 | CEMA_BV | RIPE | ASSIGNED | ● low |
| 2001:41f0:212b::/48 | CEMA_BV | RIPE | ASSIGNED | ● low |
| 2001:41f0:76ea::/48 | CEMA_BV | RIPE | ASSIGNED | ● low |
Possibly related to this organisation
what's this?Same name family
Separately-registered clusters whose names share “CEMA” — 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.
- CEMA-LAN 1 blocks
- CEMA-COOP-SOC-COOP-A-RL 1 blocks
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.
- CEMA-LAN sub-allocation
- CEMA-COOP-SOC-COOP-A-RL sub-allocation
- CEMAS-ELETTRA-SRL sub-allocation
- IDC-CEMA-EMIRNET via EMIRATES TELECOMMUNICATIONS GROUP COMPANY (ETISALAT GROUP) PJSC sub-allocation
- CEMATSILICONNET-PL via Netia SA sub-allocation
- CORBINA-BECEMA sub-allocation
- cemalacikalinsigorta via Turk Telekomunikasyon Anonim Sirketi sub-allocation
- IDCCEMASRO via O2 Czech Republic, a.s. sub-allocation
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(7 of 7)
Possible discrepancies (3)
These blocks are registered to CEMA 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.
| 2001:41f0:2128::/48 /48 | authorized for AS33915 — Vodafone Libertel B.V. |
| 2001:41f0:76ea::/48 /48 | authorized for AS33915 — Vodafone Libertel B.V. |
| 2001:41f0:212b::/48 /48 | authorized for AS33915 — Vodafone Libertel B.V. |
NIC Handles
DUMY-RIPE
DUMY-RIPE
HANSENET-NOC
ZIGGO-AUTOREG1