SUBNET.IM

AS51923'Nothing But Air' Services B.V.

NetherlandsRegistryRIPE NCC

At a glance

IPv4 prefixes

0

IPv6 prefixes

1

IPv4 addresses

0

IPv6 /64s

1M

Upstream graph

The networks AS51923 is seen behind, one and two hops out, drawn from real AS paths.

AS51923Toward the internet core
Upstream graph for AS51923: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS51923'Nothing But Air'…This networkAS31477Duocast B.V.AS1299Arelion (fka. Tel…AS2914NTT America, Inc.

Networks observed one and two hops upstream of AS51923 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
125%
Peers
250%
Downstreams
125%

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

Upstreams of AS51923
NetworkCountryRelationshipPathsVantage pts
AS31477Duocast B.V.NLPeer324141

Prefixes

The largest blocks AS51923 originates, widest first.

Largest prefixes originated by AS51923
PrefixAddressesVisibility
2a01:1b0:c000::/441M × /6461/62

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