SUBNET.IM

AS42763FPUH Czajen Krzysztof Czaja

PolandRegistryRIPE NCC

At a glance

IPv4 prefixes

17

IPv6 prefixes

0

IPv4 addresses

7.2k

IPv6 /64s

0

Upstream graph

The networks AS42763 is seen behind, one and two hops out, drawn from real AS paths.

AS42763Toward the internet core
Upstream graph for AS42763: 12 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS42763FPUH Czajen Krzys…This networkAS6939Hurricane Electri…AS12912T-Mobile Polska S…AS24482SG.GSAS137409GSL Networks Pty …AS198424HLG Internet Sp. …AS18106Viewqwest Pte LtdAS20130Depaul UniversityAS1299Arelion (fka. Tel…AS33891Core-Backbone GmbHAS8529Zain Omantel Inte…AS50607Stowarzyszenie e-…AS51465M3.NET Sp. z o.o.…

Networks observed one and two hops upstream of AS42763 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

20

adjacent networks

Upstreams
630%
Peers
1260%
Downstreams
210%

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

Upstreams of AS42763
NetworkCountryRelationshipPathsVantage pts
AS12912T-Mobile Polska S.A.PLPeer1,21177
AS198424HLG Internet Sp. z o.o.PLPeer9530
AS6939Hurricane Electric LLCUSPeer705
AS137409GSL Networks Pty LTDAUPeer171
AS24482SG.GSSGPeer141
AS49544i3D.net B.VNLPeer141

Prefixes

The largest blocks AS42763 originates, widest first.

Largest prefixes originated by AS42763
PrefixAddressesVisibility
77.87.0.0/212k79/80
91.193.120.0/221k79/80
193.33.174.0/2351279/80
77.87.0.0/2425679/80
77.87.1.0/2425679/80
77.87.2.0/2425679/80
77.87.3.0/2425679/80
77.87.4.0/2425679/80
77.87.5.0/2425679/80
77.87.6.0/2425679/80

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