ResearchRouting table, RPKI, IRR & looking glass

AS211023 KStA Medien Business Services Verwaltungs GmbH t/a KStA Medien Business Services GmbH & Co. KG

AS211023 (DuMont-Systems) is registered to KStA Medien Business Services Verwaltungs GmbH t/a KStA Medien Business Services GmbH & Co. KG in DE. It originates 1 prefix in the global routing table.

0
IPv4 prefixes
1
IPv6 prefixes
0%
RPKI valid

Who holds AS211023

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

AS number
AS211023
Handle
DuMont-Systems
Organization
KStA Medien Business Services Verwaltungs GmbH t/a KStA Medien Business Services GmbH & Co. KG
Country
DE
ASPA
None published

What AS211023 announces

Prefixes originated by AS211023 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
0
IPv6 prefixes
1
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
1
ROAs naming AS211023
0
With an IRR route object
1 100%

Announced prefixes

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

IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS211023 is reached through

The AS just before AS211023 in the paths our looking glass collectors hold, for 1 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Routing registry objects

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

Sourceas-nameMaintained by
RIPEDuMont-SystemsRIPE-NCC-END-MNT, LIR-DE-DUMONT-1-MNT

Route objects with origin AS211023: RIPE 1

as-sets that list AS211023 (3)