Network · data from 2026-11-12

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

Registry name: NCSC-NL Nationaal Cyber Security Centrum (NCSC-NL), NL · not in PeeringDB

3IPv4 routes 100.0% RPKI valid · 100.0% with a route object

3IPv6 routes 100.0% RPKI valid · 66.7% with a route object

0RPKI invalid 0 origin · 0 maxLength

0No ROA 1 with no route object for this origin

0Low visibility seen by under 10% of full-table peers

0Route objects not announced registered with origin AS208153, seen from no peer

Announced routes

Every prefix a peer of the route collectors sees with origin AS208153, things to look at first. Visibility = full-table peers that see it, of 673 (IPv4) and 636 (IPv6) on 75 collectors. Also as routes.csv.


2a04:9a00:1110::/48	Valid	Nonecovered by 2a04:9a00:1110::/46	634 100%	68
147.181.62.0/23	Valid	RIR databaseRIPE	673 100%	67
147.181.62.0/24	Valid	RIR databaseRIPE	673 100%	67
147.181.63.0/24	Valid	RIR databaseRIPE	673 100%	67
2a04:9a00:1110::/46	Valid	RIR databaseRIPE	634 100%	68
2a04:9a00:1112::/48	Valid	RIR databaseRIPE	634 100%	68

AS-SET

AS208153 isn't in PeeringDB, where networks name their AS-SET.

Fix list

The changes that would bring RPKI, the IRR and what's announced into line. Some are deliberate (a route object kept for a backup route, say); the network decides. All 1 are in fix.csv.

Route object: none1

Change	Prefix or set	Detail	Full-table peers
Route object: none	2a04:9a00:1110::/48	No route object for it. A route object for 2a04:9a00:1110::/46 with origin AS208153 covers it (filters allowing more-specifics accept it). Add a route object with origin AS208153 in the RIR database for the space.	634 of 636

Change

Prefix or set

Detail

Full-table peers

Route object: none

2a04:9a00:1110::/48

No route object for it. A route object for 2a04:9a00:1110::/46 with origin AS208153 covers it (filters allowing more-specifics accept it). Add a route object with origin AS208153 in the RIR database for the space.

634 of 636

Route objects not announced

Every route object with origin AS208153 is announced.

Routes: the 08:00 UTC snapshots of 2026-11-12 from 75 RIPE RIS and RouteViews collectors. RPKI: our rpki-client run before the snapshot. IRR: the day's dumps of the five RIR databases and RADB's mirrors. The LEVEL3 and IDNIC databases publish no dump and aren't read, so route objects only there count as none.