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AS198038Szymon Dabrowski

PolandRegistryRIPE NCC

As of 11th November 2026, AS198038 (Szymon Dabrowski), a network registered in Poland with RIPE NCC, originates 1 IPv6 prefix. It is seen behind 1 upstream network, most often AS201640 (Patryk Kulikowski trading as psHost). Every one of its announcements has a valid RPKI ROA, and none are RPKI-invalid. 100% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

0

IPv6 prefixes

1

IPv4 addresses

0

IPv6 /64s

65.5k

Upstream graph

The networks AS198038 is seen behind, one and two hops out, drawn from real AS paths.

AS198038Toward the internet core
Upstream graph for AS198038: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS198038Szymon DabrowskiThis networkAS201640Patryk Kulikowski…AS214762Sebastian Stefane…AS401896MISIU LLC

Networks observed one and two hops upstream of AS198038 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 AS198038
NetworkCountryRelationshipPathsVantage pts
AS201640Patryk Kulikowski trading as psHostPLPeer6262

Prefixes

The largest blocks AS198038 originates, widest first.

Largest prefixes originated by AS198038
PrefixAddressesVisibility
2a06:9801:2b7::/4865.5k × /6462/63

Routing health

How AS198038's own announcements validate against RPKI and how far they propagate. The same measures for the whole routing table are on the routing table in numbers.

RPKI origin validation

  • Valid100.0%1
  • Invalid0.0%0
  • No ROA0.0%0

Propagation

  • Globally propagated90% of full-feed peers or more100.0%1
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv6 — 1 prefixes

  • /4865.5k × /64100.0%1

Recent changes

Announcements that started or stopped since 12th Oct 2026.

No announcement by AS198038 started or stopped in this period.

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