ResearchRouting table, RPKI, IRR & looking glass

AS39538 DAKOSY Datenkommunikationssystem AG

AS39538 (DAKOSY-AS) is registered to DAKOSY Datenkommunikationssystem AG in DE. It originates 4 prefixes in the global routing table.

3
IPv4 prefixes
1
IPv6 prefixes
1,024
IPv4 addresses
100%
RPKI valid

Who holds AS39538

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

AS number
AS39538
Handle
DAKOSY-AS
Organization
DAKOSY Datenkommunikationssystem AG
Country
DE
ASPA
None published

What AS39538 announces

Prefixes originated by AS39538 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
3
IPv6 prefixes
1
IPv4 addresses
1,024 (4 /24s)
RPKI valid
4 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS39538
4
With an IRR route object
4 100%

Announced prefixes

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

IPv4 (3)
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS39538 is reached through

The AS just before AS39538 in the paths our looking glass collectors hold, for 4 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
RIPEDAKOSY-ASRIPE-NCC-END-MNT, DAKOSY-MNT

Route objects with origin AS39538: RIPE 4

as-sets that list AS39538 (9)