SUBNET.IM

AS2837Karolinska Institutet

SwedenRegistryRIPE NCC

At a glance

IPv4 prefixes

1

IPv6 prefixes

0

IPv4 addresses

16.4k

IPv6 /64s

0

Upstream graph

The networks AS2837 is seen behind, one and two hops out, drawn from real AS paths.

AS2837Toward the internet core
Upstream graph for AS2837: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS2837Karolinska Instit…This networkAS1653Vetenskapsrådet /…AS2603NORDUnetAS9002RETN Limited

Networks observed one and two hops upstream of AS2837 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 AS2837
NetworkCountryRelationshipPathsVantage pts
AS1653Vetenskapsrådet / SUNETEUPeer8080

Prefixes

The largest blocks AS2837 originates, widest first.

Largest prefixes originated by AS2837
PrefixAddressesVisibility
130.229.0.0/1816.4k80/80

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