ResearchRouting table, RPKI, IRR & looking glass

AS203761 Hartana GmbH trading as ACS Hartmann GmbH & Co. KG

AS203761 (ACS-HARTMANN) is registered to Hartana GmbH trading as ACS Hartmann GmbH & Co. KG in DE. It originates 1 prefix in the global routing table.

1
IPv4 prefixes
0
IPv6 prefixes
32,768
IPv4 addresses
100%
RPKI valid

Who holds AS203761

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

AS number
AS203761
Handle
ACS-HARTMANN
Organization
Hartana GmbH trading as ACS Hartmann GmbH & Co. KG
Country
DE
ASPA
None published

What AS203761 announces

Prefixes originated by AS203761 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
0
IPv4 addresses
32,768 (128 /24s)
RPKI valid
1 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS203761
1
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.

IPv4 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS203761 is reached through

The AS just before AS203761 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
RIPEACS-HARTMANNRIPE-NCC-END-MNT, MP-MNT

Route objects with origin AS203761: RIPE 1

as-sets that list AS203761 (2)