SUBNET.IM

AS204388ZAKLAD DOSKONALENIA ZAWODOWEGO W KATOWICACH

PolandRegistryRIPE NCC

At a glance

IPv4 prefixes

1

IPv6 prefixes

1

IPv4 addresses

256

IPv6 /64s

65.5k

Upstream graph

The networks AS204388 is seen behind, one and two hops out, drawn from real AS paths.

AS204388Toward the internet core
Upstream graph for AS204388: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS204388ZAKLAD DOSKONALEN…This networkAS8308NAUKOWA I AKADEMI…AS6939Hurricane Electri…AS9141P4 Sp. z o.o.

Networks observed one and two hops upstream of AS204388 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

3

adjacent networks

Upstreams
133%
Peers
267%
Downstreams
00%

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

Upstreams of AS204388
NetworkCountryRelationshipPathsVantage pts
AS8308NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZYPLPeer140140

Prefixes

The largest blocks AS204388 originates, widest first.

Largest prefixes originated by AS204388
PrefixAddressesVisibility
195.187.42.0/2425679/80
2001:678:620::/4865.5k × /6461/62

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