SUBNET.IM

AS203761Hartana GmbH trading as ACS Hartmann GmbH & Co. KG

GermanyRegistryRIPE NCC

At a glance

IPv4 prefixes

1

IPv6 prefixes

0

IPv4 addresses

32.8k

IPv6 /64s

0

Upstream graph

The networks AS203761 is seen behind, one and two hops out, drawn from real AS paths.

AS203761Toward the internet core
Upstream graph for AS203761: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS203761Hartana GmbH trad…This networkAS28748Marc Pauls (Alpha…AS1299Arelion (fka. Tel…AS3320Deutsche Telekom …

Networks observed one and two hops upstream of AS203761 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.

Neighbouring networks

2

adjacent networks

Upstreams
150%
Peers
150%
Downstreams
00%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS203761
NetworkCountryRelationshipPathsVantage pts
AS28748Marc Pauls (AlphaCron Datensysteme)DEPeer7979

Prefixes

The largest blocks AS203761 originates, widest first.

Largest prefixes originated by AS203761
PrefixAddressesVisibility
134.97.128.0/1732.8k79/80

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.