subnet.im

AS213527Lorenz Knak trading as IT-adjutor GmbH

GermanyRegistryRIPE NCCTypeContent

As of 11th November 2026, AS213527 (Lorenz Knak trading as IT-adjutor GmbH), a content network registered in Germany with RIPE NCC, originates 3 IPv4 prefixes covering 768 addresses and 6 IPv6 prefixes. By IPv4 address space that makes it the 45,669th-largest of the 80,743 networks we see originating IPv4, and the 1,459th-largest of 2,331 in Germany. It is seen behind 8 upstream networks, most often AS6939 (Hurricane Electric LLC) and AS6204 (INTERKVM HOST SRL), and in front of 4 downstream networks. 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

3

IPv6 prefixes

6

IPv4 addresses

768

IPv6 /64s

393k

Upstream graph

The networks AS213527 is seen behind, one and two hops out, drawn from real AS paths.

AS213527Toward the internet core
Upstream graph for AS213527: 11 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS213527Lorenz Knak tradi…This networkAS174Cogent Communicat…AS6204INTERKVM HOST SRLAS6939Hurricane Electri…AS30823aurologic GmbHAS35133Eranium B.V.AS151326DCConnect Communi…AS1299Arelion (fka. Tel…AS2914NTT America, Inc.AS20130Depaul UniversityAS132337AxclusiveAS6830Liberty Global Eu…

Networks observed one and two hops upstream of AS213527 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

34

adjacent networks

Upstreams
824%
Peers
2265%
Downstreams
412%

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

Upstreams of AS213527
NetworkCountryRelationshipPathsVantage pts
AS6939Hurricane Electric LLCUSPeer1,02057
AS6204INTERKVM HOST SRLROPeer33965
AS35133Eranium B.V.NLPeer8413
AS174Cogent Communications, LLCUSPeer5824
AS30823aurologic GmbHDEPeer4925
AS24482SG.GSSGPeer163
AS24940Hetzner Online GmbHDEPeer142
AS203446SMARTNET Germany GmbHDEPeer62

Prefixes

The largest blocks AS213527 originates, widest first.

Largest prefixes originated by AS213527
PrefixAddressesVisibility
2.58.214.0/2425675/76
212.56.58.0/2425675/76
213.177.162.0/2425675/76
2a14:47c0:1::/4865.5k × /6463/63
2a14:47c0:2::/4865.5k × /6462/63
2a14:47c0:3::/4865.5k × /6462/63
2a14:47c0:e::/4865.5k × /6462/63
2a14:47c0:f::/4865.5k × /6463/63
2a14:47c0:100::/4865.5k × /6462/63

Routing health

How AS213527'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%9
  • Invalid0.0%0
  • No ROA0.0%0

Propagation

  • Globally propagated90% of full-feed peers or more100.0%9
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 3 prefixes

IPv6 — 6 prefixes

  • /4865.5k × /64100.0%6

Recent changes

Announcements that started or stopped since 12th Oct 2026.

No announcement by AS213527 started or stopped in this period.

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