SUBNET.IM

AS20813Hellenic Open University

GreeceRegistryRIPE NCC

At a glance

IPv4 prefixes

2

IPv6 prefixes

0

IPv4 addresses

1k

IPv6 /64s

0

Upstream graph

The networks AS20813 is seen behind, one and two hops out, drawn from real AS paths.

AS20813Toward the internet core
Upstream graph for AS20813: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS20813Hellenic Open Uni…This networkAS5408National Infrastr…AS3491PCCW Global (HK) …AS21320GEANT Vereniging

Networks observed one and two hops upstream of AS20813 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

2

adjacent networks

Upstreams
150%
Peers
150%
Downstreams
00%

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

Upstreams of AS20813
NetworkCountryRelationshipPathsVantage pts
AS5408National Infrastructures for Research and Technology S.A.GRPeer16080

Prefixes

The largest blocks AS20813 originates, widest first.

Largest prefixes originated by AS20813
PrefixAddressesVisibility
193.108.160.0/2351280/80
194.24.226.0/2351280/80

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