SUBNET.IM

AS209499GSI Helmholtzzentrum fur Schwerionenforschung GmbH

GermanyRegistryRIPE NCC

At a glance

IPv4 prefixes

1

IPv6 prefixes

0

IPv4 addresses

65.5k

IPv6 /64s

0

Upstream graph

The networks AS209499 is seen behind, one and two hops out, drawn from real AS paths.

AS209499Toward the internet core
Upstream graph for AS209499: 5 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS209499GSI Helmholtzzent…This networkAS680Deutsches Forschu…AS8365Man-da.de GmbHAS3356Lumen (Level 3)AS2914NTT America, Inc.AS1299Arelion (fka. Tel…

Networks observed one and two hops upstream of AS209499 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

4

adjacent networks

Upstreams
250%
Peers
250%
Downstreams
00%

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

Upstreams of AS209499
NetworkCountryRelationshipPathsVantage pts
AS8365Man-da.de GmbHDEPeer6969
AS680Deutsches Forschungsnetz (DFN)DEPeer1111

Prefixes

The largest blocks AS209499 originates, widest first.

Largest prefixes originated by AS209499
PrefixAddressesVisibility
140.181.0.0/1665.5k80/80

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