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AS1111Universitaet Klagenfurt

AustriaRegistryRIPE NCC

As of 23rd October 2026, AS1111 (Universitaet Klagenfurt), a network registered in Austria with RIPE NCC, originates 1 IPv4 prefix covering 65.5k addresses. By IPv4 address space that makes it the 3,625th-largest of the 79,666 networks we see originating IPv4, and the 25th-largest of 618 in Austria. It is seen behind 1 upstream network, most often AS1853 (ACONET). None of its announcements have a valid RPKI ROA. 100% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

1

IPv6 prefixes

0

IPv4 addresses

65.5k

IPv6 /64s

0

Upstream graph

The networks AS1111 is seen behind, one and two hops out, drawn from real AS paths.

AS1111Toward the internet core
Upstream graph for AS1111: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS1111Universitaet Klag…This networkAS1853ACONETAS1764Next Layer Teleco…AS6939Hurricane Electri…

Networks observed one and two hops upstream of AS1111 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 AS1111
NetworkCountryRelationshipPathsVantage pts
AS1853ACONETATPeer7777

Prefixes

The largest blocks AS1111 originates, widest first.

Largest prefixes originated by AS1111
PrefixAddressesVisibility
143.205.0.0/1665.5k77/77

Routing health

How AS1111'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

  • Valid0.0%0
  • Invalid0.0%0
  • No ROA100.0%1

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

IPv4 — 1 prefixes

Recent changes

Announcements that started or stopped since 23rd Sept 2026.

No announcement by AS1111 started or stopped in this period.

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