SUBNET.IM

AS209257Klett IT GmbH

GermanyRegistryRIPE NCC

At a glance

IPv4 prefixes

2

IPv6 prefixes

1

IPv4 addresses

512

IPv6 /64s

65.5k

Upstream graph

The networks AS209257 is seen behind, one and two hops out, drawn from real AS paths.

AS209257Toward the internet core
Upstream graph for AS209257: 6 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS209257Klett IT GmbHThis networkAS8220COLTAS48918Globalways GmbHAS1299Arelion (fka. Tel…AS15576NTS workspace AGAS3320Deutsche Telekom …AS33891Core-Backbone GmbH

Networks observed one and two hops upstream of AS209257 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 AS209257
NetworkCountryRelationshipPathsVantage pts
AS8220COLTGBPeer183116
AS48918Globalways GmbHDEPeer3825

Prefixes

The largest blocks AS209257 originates, widest first.

Largest prefixes originated by AS209257
PrefixAddressesVisibility
185.186.221.0/2425680/80
185.186.222.0/2425680/80
2a11:1e40:ba5e::/4865.5k × /6461/62

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