SUBNET.IM

AS203813Spar Business Services GmbH

AustriaRegistryRIPE NCC

At a glance

IPv4 prefixes

1

IPv6 prefixes

0

IPv4 addresses

1k

IPv6 /64s

0

Upstream graph

The networks AS203813 is seen behind, one and two hops out, drawn from real AS paths.

AS203813Toward the internet core
Upstream graph for AS203813: 6 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS203813Spar Business Ser…This networkAS8387Deutsche Telekom …AS8447A1 Telekom Austri…AS1764Next Layer Teleco…AS3320Deutsche Telekom …AS1299Arelion (fka. Tel…AS3356Lumen (Level 3)

Networks observed one and two hops upstream of AS203813 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 AS203813
NetworkCountryRelationshipPathsVantage pts
AS8447A1 Telekom Austria AGATPeer7171
AS8387Deutsche Telekom Global Business Solutions GmbHATPeer88

Prefixes

The largest blocks AS203813 originates, widest first.

Largest prefixes originated by AS203813
PrefixAddressesVisibility
185.123.108.0/221k79/80

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