ResearchRouting table, RPKI, IRR & looking glass

AS203323 OpenSent B.V.

AS203323 (OPENSENT) is registered to OpenSent B.V. in NL. It originates 3 prefixes in the global routing table.

1
IPv4 prefixes
2
IPv6 prefixes
256
IPv4 addresses
100%
RPKI valid

Who holds AS203323

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

AS number
AS203323
Handle
OPENSENT
Organization
OpenSent B.V.
Country
NL
ASPA
6 providers

What AS203323 announces

Prefixes originated by AS203323 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
1
IPv6 prefixes
2
IPv4 addresses
256 (1 /24s)
RPKI valid
3 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS203323
3
With an IRR route object
3 100%

Announced prefixes

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

IPv4 (1)
IPv6 (2)

RPKI valid   RPKI invalid   no ROA covers it

Who AS203323 is reached through

The AS just before AS203323 in the paths our looking glass collectors hold, for 3 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Provider authorization

AS203323 publishes an ASPA naming these providers. 2 ASes name it as a provider in theirs. Check a path.

The 2 ASes that name AS203323 as a provider

Routing registry objects

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

Sourceas-nameMaintained by
RIPEOPENSENTRIPE-NCC-END-MNT, OPENSENT-MNT

Route objects with origin AS203323: RIPE 3

as-sets that list AS203323 (2)