SUBNET.IM

AS203703IT Baden-Württemberg (BITBW)

GermanyRegistryRIPE NCC

At a glance

IPv4 prefixes

1

IPv6 prefixes

1

IPv4 addresses

512

IPv6 /64s

65.5k

Upstream graph

The networks AS203703 is seen behind, one and two hops out, drawn from real AS paths.

AS203703Toward the internet core
Upstream graph for AS203703: 5 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS203703IT Baden-Württemb…This networkAS553BelWüAS8220COLTAS2914NTT America, Inc.AS1299Arelion (fka. Tel…AS15576NTS workspace AG

Networks observed one and two hops upstream of AS203703 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 AS203703
NetworkCountryRelationshipPathsVantage pts
AS553BelWüDEPeer8181
AS8220COLTGBPeer6161

Prefixes

The largest blocks AS203703 originates, widest first.

Largest prefixes originated by AS203703
PrefixAddressesVisibility
192.100.96.0/2351280/80
2a02:1068:8000::/4865.5k × /6462/62

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