CTS HOLDING BV
CTS_HOLDING_BV
Cluster stats
| Netblocks | 13 |
| All fragments | 206 blocks across 41 clusters |
| Cluster ID | 193401900 |
| Registry | RIPE |
| Customers | find 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 (13)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 62.177.253.152/29 | CTS-Holding | RIPE | ASSIGNED PA | ● low |
| 213.34.18.88/30 | CTS_HOLDING_BV | RIPE | ASSIGNED PA | ● low |
| 213.34.18.156/30 | CTS_HOLDING_BV | RIPE | ASSIGNED PA | ● low |
| 213.34.18.176/30 | CTS_HOLDING_BV | RIPE | ASSIGNED PA | ● low |
| 213.34.18.220/30 | CTS_HOLDING_BV | RIPE | ASSIGNED PA | ● low |
| 213.34.18.232/30 | CTS_HOLDING_BV | RIPE | ASSIGNED PA | ● low |
| 213.34.30.112/30 | CTS_HOLDING_BV | RIPE | ASSIGNED PA | ● low |
| 2001:41f0:382b::/48 | CTS_HOLDING_BV | RIPE | ASSIGNED | ● low |
| 2001:41f0:89e8::/48 | CTS_HOLDING_BV | RIPE | ASSIGNED | ● low |
| 2001:41f0:89f0::/48 | CTS_HOLDING_BV | RIPE | ASSIGNED | ● low |
| 2001:41f0:89fa::/48 | CTS_HOLDING_BV | RIPE | ASSIGNED | ● low |
| 2001:41f0:89fd::/48 | CTS_HOLDING_BV | RIPE | ASSIGNED | ● low |
| 2001:41f0:9839::/48 | CTS_HOLDING_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
(13 of 13)
Possible discrepancies (6)
These blocks are registered to CTS_HOLDING_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.
| 2001:41f0:9839::/48 /48 | authorized for AS33915 — Vodafone Libertel B.V. |
| 2001:41f0:89e8::/48 /48 | authorized for AS33915 — Vodafone Libertel B.V. |
| 2001:41f0:382b::/48 /48 | authorized for AS33915 — Vodafone Libertel B.V. |
| 2001:41f0:89f0::/48 /48 | authorized for AS33915 — Vodafone Libertel B.V. |
| 2001:41f0:89fa::/48 /48 | authorized for AS33915 — Vodafone Libertel B.V. |
| 2001:41f0:89fd::/48 /48 | authorized for AS33915 — Vodafone Libertel B.V. |
NIC Handles
DUMY-RIPE
DUMY-RIPE
NL-BBNET-MNT
ZIGGO-AUTOREG1