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AS9211Nawork Internet Informationssysteme GmbH

GermanyRegistryRIPE NCC

As of 11th November 2026, AS9211 (Nawork Internet Informationssysteme GmbH), a network registered in Germany with RIPE NCC, originates 17 IPv4 prefixes covering 21.8k addresses and 2 IPv6 prefixes. By IPv4 address space that makes it the 6,817th-largest of the 80,747 networks we see originating IPv4, and the 246th-largest of 2,331 in Germany. It is seen behind 29 upstream networks, most often AS6939 (Hurricane Electric LLC) and AS9002 (RETN Limited), and in front of 13 downstream networks. 89% of its announcements have 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

17

IPv6 prefixes

2

IPv4 addresses

21.8k

IPv6 /64s

8.6B

Upstream graph

The networks AS9211 is seen behind, one and two hops out, drawn from real AS paths.

Networks observed one and two hops upstream of AS9211 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

180

adjacent networks

Upstreams
2916%
Peers
13877%
Downstreams
137%

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

Prefixes

The largest blocks AS9211 originates, widest first.

Largest prefixes originated by AS9211
PrefixAddressesVisibility
87.253.160.0/204.1k76/76
212.12.32.0/204.1k76/76
213.238.32.0/204.1k76/76
31.24.96.0/212k76/76
212.12.56.0/212k76/76
193.102.240.0/221k76/76
213.238.52.0/221k76/76
193.28.52.0/2351276/76
194.76.62.0/2351276/76
213.238.50.0/2351276/76

Routing health

How AS9211'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

  • Valid89.5%17
  • Invalid0.0%0
  • No ROA10.5%2

Propagation

  • Globally propagated90% of full-feed peers or more100.0%19
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

Recent changes

Announcements that started or stopped since 12th Oct 2026.

No announcement by AS9211 started or stopped in this period.

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