CTA Systems B.V.
Cluster stats
| Netblocks | 17 |
| All fragments | 75 blocks across 10 clusters |
| Cluster ID | 191760776 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 14 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (17)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 85.8.131.0/24 | CTA Systems B.V. | BGP | ANNOUNCED | ● high |
| 185.80.8.0/24 | CTA Systems B.V. | BGP | ANNOUNCED | ● high |
| 185.80.9.0/24 | CTA Systems B.V. | BGP | ANNOUNCED | ● high |
| 185.80.10.0/24 | CTA Systems B.V. | BGP | ANNOUNCED | ● high |
| 185.80.11.0/24 | CTA Systems B.V. | BGP | ANNOUNCED | ● high |
| 185.231.16.0/24 | CTA Systems B.V. | BGP | ANNOUNCED | ● high |
| 185.231.17.0/24 | CTA Systems B.V. | BGP | ANNOUNCED | ● high |
| 185.231.18.0/24 | CTA Systems B.V. | BGP | ANNOUNCED | ● high |
| 185.231.19.0/24 | CTA Systems B.V. | BGP | ANNOUNCED | ● high |
| 203.131.145.200/29 | CTA-PH | APNIC | ASSIGNED NON-PORTABLE | ● high |
| 210.8.140.0/24 | CTA-CC-AU | APNIC | ASSIGNED NON-PORTABLE | ● high |
| 2a0c:3900::/32 | CTA Systems B.V. | BGP | ANNOUNCED | ● high |
| 85.8.131.0/24 | CTA Systems B.V. | RIPE | ALLOCATED PA | ● low |
| 185.80.8.0/22 | CTA Systems B.V. | RIPE | ALLOCATED PA | ● low |
| 185.231.16.0/22 | CTA Systems B.V. | RIPE | ALLOCATED PA | ● low |
| 2a03:5f20::/32 | CTA Systems B.V. | RIPE | ALLOCATED-BY-RIR | ● low |
| 2a0c:3900::/29 | CTA Systems B.V. | RIPE | ALLOCATED-BY-RIR | ● low |
Network trust
what's this?
RPKI hygiene: B
how networks compare →
82.4%
of checked blocks have valid RPKI ROA coverage
(14 of 17)
No discrepancies found among checked blocks.
NIC Handles
AE135-AP
AS39563
DUMY-RIPE
DUMY-RIPE
EM140-AP
EM140-AP
MAINT-AU-AAPT
MAINT-PH-EPLDT
ORG-CSB11-RIPE
RIPE-NCC-HM-MNT
UCSYSTEMS-MNT
UCSYSTEMS-MNT
+2 more