ResearchRouting table, RPKI, IRR & looking glass

AS42821 K&K Kommunikationssysteme GmbH

AS42821 (RAPIDNET-DE) is registered to K&K Kommunikationssysteme GmbH in DE. It originates 19 prefixes in the global routing table.

17
IPv4 prefixes
2
IPv6 prefixes
4,352
IPv4 addresses
100%
RPKI valid

Who holds AS42821

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

AS number
AS42821
Handle
RAPIDNET-DE
Organization
K&K Kommunikationssysteme GmbH
Country
DE
ASPA
None published

What AS42821 announces

Prefixes originated by AS42821 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
17
IPv6 prefixes
2
IPv4 addresses
4,352 (17 /24s)
RPKI valid
19 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS42821
33
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 AS42821 is reached through

The AS just before AS42821 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.

Routing registry objects

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

Sourceas-nameMaintained by
RIPERAPIDNET-DERIPE-NCC-END-MNT, MNT-RAPIDNET

Route objects with origin AS42821: RIPE 35

as-sets that list AS42821 (6)