ResearchRouting table, RPKI, IRR & looking glass

AS41437 KNAPP AG

AS41437 (KNAPP-AS) is registered to KNAPP AG in AT. It originates 6 prefixes in the global routing table.

5
IPv4 prefixes
1
IPv6 prefixes
2,048
IPv4 addresses
100%
RPKI valid

Who holds AS41437

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

AS number
AS41437
Handle
KNAPP-AS
Organization
KNAPP AG
Country
AT
ASPA
None published

What AS41437 announces

Prefixes originated by AS41437 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
5
IPv6 prefixes
1
IPv4 addresses
2,048 (8 /24s)
RPKI valid
6 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS41437
7
With an IRR route object
5 83%

Announced prefixes

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

IPv4 (5)
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS41437 is reached through

The AS just before AS41437 in the paths our looking glass collectors hold, for 6 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
RIPEKNAPP-ASMNT-KNAPP, RIPE-NCC-END-MNT

Route objects with origin AS41437: RIPE 5

as-sets that list AS41437 (8)