AS208153 Nationaal Cyber Security Centrum (NCSC-NL) 🇳🇱 NL

Announcing 6 prefixes, seen at the RIS collectors.

IPv4 prefixes

1,024 (4 × /24)

IPv6 prefixes

6 × /48

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS208153
Name: Nationaal Cyber Security Centrum (NCSC-NL)
Organisation: Nationaal Cyber Security Centrum (NCSC-NL)
Country: 🇳🇱 NL
RIR: RIPENCC
Allocated: 2019-09-24

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

6 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Whois

Fetched from whois.ripe.net

as-block:       AS207610 - AS208187
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2025-10-01T14:17:54Z
last-modified:  2025-10-01T14:17:54Z
source:         RIPE

aut-num:        AS208153
as-name:        NCSC-NL
org:            ORG-NCSC5-RIPE
import:         from as1136 accept ANY
export:         to as1136 announce AS208153
import:         from as13127 accept ANY
export:         to as13127 announce AS208153
admin-c:        IS7427-RIPE
tech-c:         IS7427-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-NCSC-NL
created:        2019-09-24T08:33:41Z
last-modified:  2020-11-16T17:54:40Z
source:         RIPE
sponsoring-org: ORG-BL160-RIPE

organisation:   ORG-NCSC5-RIPE
org-name:       Nationaal Cyber Security Centrum (NCSC-NL)
country:        NL
reg-nr:         Not Applicable
org-type:       OTHER
address:        Postbus 20301, 2500 EH, Den Haag, NETHERLANDS
admin-c:        IS7427-RIPE
tech-c:         IS7427-RIPE
abuse-c:        ACRO22614-RIPE
mnt-ref:        MNT-NCSC-NL
mnt-by:         MNT-NCSC-NL
created:        2019-02-20T12:11:58Z
last-modified:  2026-05-13T05:58:09Z
source:         RIPE # Filtered

role:           IVT Systeembeheer
address:        ----
nic-hdl:        IS7427-RIPE
mnt-by:         MNT-NCSC-NL
created:        2019-02-20T12:16:15Z
last-modified:  2019-07-25T09:00:24Z
source:         RIPE # Filtered
abuse-mailbox:  info@ncsc.nl