Nationaal Cyber Security Centrum
Nationaal Cyber Security Centrum (NCSC-NL)
BGP inherited
Cluster stats
| Netblocks | 10 · 1,532 IPv4 addresses |
| Cluster ID | 208800347 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 9 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
10
0 netblocks since 2026-07-05
2026-07-05
peak 10
2026-07-19
IP Ranges (10)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 147.181.62.0/23 | Nationaal Cyber Security Centrum (NCSC-NL) | BGP | ANNOUNCED | ● high |
| 147.181.62.0/24 | Nationaal Cyber Security Centrum (NCSC-NL) | BGP | ANNOUNCED | ● high |
| 147.181.63.0/24 | Nationaal Cyber Security Centrum (NCSC-NL) | BGP | ANNOUNCED | ● high |
| 2a04:9a00:1110::/48 | Nationaal Cyber Security Centrum (NCSC-NL) | BGP | ANNOUNCED | ● high |
| 2a04:9a00:1110::/46 | Nationaal Cyber Security Centrum (NCSC-NL) | BGP | ANNOUNCED | ● high |
| 2a04:9a00:1112::/48 | Nationaal Cyber Security Center | RIPE | ASSIGNED | ● high |
| 2a04:9a00:1112::/48 | Nationaal Cyber Security Centrum (NCSC-NL) | BGP | ANNOUNCED | ● high |
| 147.181.62.0/23 | Nationaal Cyber Security Centrum (NCSC-NL) | RIPE | LEGACY | ● medium |
| 2a04:9a00:1110::/46 | Nationaal Cyber Security Centrum (NCSC-NL) | RIPE | ALLOCATED-BY-LIR | ● medium |
| 2a04:9a00:1110::/48 | Nationaal Cyber Security Centrum (NCSC-NL) | RIPE | ASSIGNED | ● medium |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(10 of 10)
No discrepancies found among checked blocks.
NIC Handles
AS208153
DUMY-RIPE
DUMY-RIPE
LOGIUS
LOGIUS
MNT-NCSC-NL
MNT-NCSC-NL
ORG-NCSC5-RIPE
ORG-NCSC6-RIPE