SUBNET.IM

AS201977Miasto Zabrze

PolandRegistryRIPE NCC

At a glance

IPv4 prefixes

2

IPv6 prefixes

0

IPv4 addresses

1k

IPv6 /64s

0

Upstream graph

The networks AS201977 is seen behind, one and two hops out, drawn from real AS paths.

AS201977Toward the internet core
Upstream graph for AS201977: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS201977Miasto ZabrzeThis networkAS15744Silesian Universi…AS13293Institute of Bioo…AS196844Institute of Bioo…

Networks observed one and two hops upstream of AS201977 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
125%
Peers
250%
Downstreams
125%

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

Upstreams of AS201977
NetworkCountryRelationshipPathsVantage pts
AS15744Silesian University of Technology, Computer CentrePLPeer23779

Prefixes

The largest blocks AS201977 originates, widest first.

Largest prefixes originated by AS201977
PrefixAddressesVisibility
185.58.48.0/2351279/80
185.58.50.0/2351279/80

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