SUBNET.IM

AS201251Hostzero GmbH

GermanyRegistryRIPE NCC

At a glance

IPv4 prefixes

1

IPv6 prefixes

1

IPv4 addresses

256

IPv6 /64s

4.3B

Upstream graph

The networks AS201251 is seen behind, one and two hops out, drawn from real AS paths.

AS201251Toward the internet core
Upstream graph for AS201251: 5 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS201251Hostzero GmbHThis networkAS174Cogent Communicat…AS4744723M GmbHAS151326DCConnect Communi…AS1299Arelion (fka. Tel…AS3356Lumen (Level 3)

Networks observed one and two hops upstream of AS201251 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

5

adjacent networks

Upstreams
240%
Peers
360%
Downstreams
00%

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

Upstreams of AS201251
NetworkCountryRelationshipPathsVantage pts
AS174Cogent Communications, LLCUSPeer7979
AS4744723M GmbHDEPeer5959

Prefixes

The largest blocks AS201251 originates, widest first.

Largest prefixes originated by AS201251
PrefixAddressesVisibility
209.131.118.0/2425679/80
2a0e:a1c0::/324.3B × /6459/62

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