SUBNET.IM

AS209258TSYS Europe (Netherlands) B.V.

NetherlandsRegistryRIPE NCC

At a glance

IPv4 prefixes

1

IPv6 prefixes

0

IPv4 addresses

256

IPv6 /64s

0

Upstream graph

The networks AS209258 is seen behind, one and two hops out, drawn from real AS paths.

AS209258Toward the internet core
Upstream graph for AS209258: 6 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS209258TSYS Europe (Neth…This networkAS2856British Telecommu…AS5089Virgin Media Limi…AS5400British Telecommu…AS9002RETN LimitedAS6830Liberty Global Eu…AS12956Telxius (Telefoni…

Networks observed one and two hops upstream of AS209258 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 AS209258
NetworkCountryRelationshipPathsVantage pts
AS2856British TelecommunicationsGBPeer7878
AS5089Virgin Media LimitedGBPeer22

Prefixes

The largest blocks AS209258 originates, widest first.

Largest prefixes originated by AS209258
PrefixAddressesVisibility
31.12.88.0/2425680/80

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