SUBNET.IM

AS56737Stadtwerke Flensburg GmbH

GermanyRegistryRIPE NCC

At a glance

IPv4 prefixes

2

IPv6 prefixes

1

IPv4 addresses

3.1k

IPv6 /64s

34.4B

Upstream graph

The networks AS56737 is seen behind, one and two hops out, drawn from real AS paths.

AS56737Toward the internet core
Upstream graph for AS56737: 5 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS56737Stadtwerke Flensb…This networkAS88811&1 Versatel GmbHAS31027GlobalConnect A/SAS1299Arelion (fka. Tel…AS3356Lumen (Level 3)AS12552GlobalConnect (IP…

Networks observed one and two hops upstream of AS56737 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

10

adjacent networks

Upstreams
220%
Peers
440%
Downstreams
440%

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

Upstreams of AS56737
NetworkCountryRelationshipPathsVantage pts
AS31027GlobalConnect A/SDKPeer24097
AS88811&1 Versatel GmbHDEPeer14766

Prefixes

The largest blocks AS56737 originates, widest first.

Largest prefixes originated by AS56737
PrefixAddressesVisibility
31.209.184.0/212k80/80
185.140.200.0/221k80/80
2a07:d00::/2934.4B × /6462/62

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