SUBNET.IM

AS12437DTS Systeme Muenster GmbH

GermanyRegistryRIPE NCC

At a glance

IPv4 prefixes

5

IPv6 prefixes

1

IPv4 addresses

9.2k

IPv6 /64s

34.4B

Upstream graph

The networks AS12437 is seen behind, one and two hops out, drawn from real AS paths.

AS12437Toward the internet core
Upstream graph for AS12437: 6 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS12437DTS Systeme Muens…This networkAS3320Deutsche Telekom …AS8879DTS Systeme GmbHAS13030Init7 (Switzerlan…AS398465Rackdog LLCAS6939Hurricane Electri…AS13237euNetworks GmbH

Networks observed one and two hops upstream of AS12437 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 AS12437
NetworkCountryRelationshipPathsVantage pts
AS3320Deutsche Telekom AGDEPeer11939
AS8879DTS Systeme GmbHDEPeer103103

Prefixes

The largest blocks AS12437 originates, widest first.

Largest prefixes originated by AS12437
PrefixAddressesVisibility
212.101.192.0/198.2k80/80
81.89.224.0/2425620/80
81.89.225.0/2425620/80
84.201.96.0/2425620/80
212.62.79.0/2425620/80
2a06:7880::/2934.4B × /6462/62

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