ResearchRouting table, RPKI, IRR & looking glass

AS61429 Castor Marine B.V.

AS61429 (AS-CASTOR) is registered to Castor Marine B.V. in NL. It originates 19 prefixes in the global routing table.

19
IPv4 prefixes
0
IPv6 prefixes
5,120
IPv4 addresses
94%
RPKI valid

Who holds AS61429

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS61429
Handle
AS-CASTOR
Organization
Castor Marine B.V.
Country
NL
ASPA
3 providers

What AS61429 announces

Prefixes originated by AS61429 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
19
IPv6 prefixes
0
IPv4 addresses
5,120 (20 /24s)
RPKI valid
18 94%
RPKI invalid
0
RPKI not found
1
ROAs naming AS61429
20
With an IRR route object
19 100%

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

Who AS61429 is reached through

The AS just before AS61429 in the paths our looking glass collectors hold, for 19 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS61429 publishes an ASPA naming these providers. Check a path.

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
RIPEAS-CASTORRIPE-NCC-END-MNT, CASTOR-MNT

Route objects with origin AS61429: RIPE 24 · RADB 1

as-sets that list AS61429 (7)