SUBNET.IM

AS61983Instytut Meteorologii i Gospodarki Wodnej - Panstwowy Instytut Badawczy

PolandRegistryRIPE NCC

At a glance

IPv4 prefixes

1

IPv6 prefixes

0

IPv4 addresses

256

IPv6 /64s

0

Upstream graph

The networks AS61983 is seen behind, one and two hops out, drawn from real AS paths.

AS61983Toward the internet core
Upstream graph for AS61983: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS61983Instytut Meteorol…This networkAS12741Netia SAAS3356Lumen (Level 3)AS6461Zayo Bandwidth

Networks observed one and two hops upstream of AS61983 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 AS61983
NetworkCountryRelationshipPathsVantage pts
AS12741Netia SAPLPeer7979

Prefixes

The largest blocks AS61983 originates, widest first.

Largest prefixes originated by AS61983
PrefixAddressesVisibility
91.220.17.0/2425679/80

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