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AS219523Markus Tyebo trading as Tyebo Infrastructure & Consulting

GermanyRegistryRIPE NCC

As of 27th September 2026, AS219523 (Markus Tyebo trading as Tyebo…), a network registered in Germany with RIPE NCC, originates 2 IPv6 prefixes. It is seen behind 1 upstream network, most often AS207252 (Felix Gassan). 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

2

IPv4 addresses

0

IPv6 /64s

33.6M

Upstream graph

The networks AS219523 is seen behind, one and two hops out, drawn from real AS paths.

AS219523Toward the internet core
Upstream graph for AS219523: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS219523Markus Tyebo trad…This networkAS207252Felix GassanAS50629LWLcom GmbHAS57575NETMOUNTAINS Grou…

Networks observed one and two hops upstream of AS219523 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 AS219523
NetworkCountryRelationshipPathsVantage pts
AS207252Felix GassanDEPeer12462

Prefixes

The largest blocks AS219523 originates, widest first.

Largest prefixes originated by AS219523
PrefixAddressesVisibility
2a14:1ec1:1600::/4016.8M × /6462/64
2a14:1ec1:1700::/4016.8M × /6462/64

Routing health

How AS219523'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%2
  • Invalid0.0%0
  • No ROA0.0%0

Propagation

  • Globally propagated90% of full-feed peers or more100.0%2
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv6 — 2 prefixes

  • /4016.8M × /64100.0%2

Recent changes

Announcements that started or stopped since 28th Aug 2026.

No announcement by AS219523 started or stopped in this period.

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