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AS218882Leendert van Hoorn

NetherlandsRegistryRIPE NCC

As of 27th September 2026, AS218882 (Leendert van Hoorn), a network registered in the Netherlands with RIPE NCC, originates 2 IPv6 prefixes. It is seen behind 2 upstream networks, most often AS209735 (Lagrange Cloud Technologies Limited) and AS20473 (The Constant Company, LLC). 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

131k

Upstream graph

The networks AS218882 is seen behind, one and two hops out, drawn from real AS paths.

AS218882Toward the internet core
Upstream graph for AS218882: 6 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS218882Leendert van HoornThis networkAS20473The Constant Comp…AS209735Lagrange Cloud Te…AS1299Arelion (fka. Tel…AS2914NTT America, Inc.AS6939Hurricane Electri…AS44355Colocation Ltd

Networks observed one and two hops upstream of AS218882 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

4

adjacent networks

Upstreams
250%
Peers
250%
Downstreams
00%

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

Upstreams of AS218882
NetworkCountryRelationshipPathsVantage pts
AS209735Lagrange Cloud Technologies LimitedGBPeer6363
AS20473The Constant Company, LLCUSPeer6363

Prefixes

The largest blocks AS218882 originates, widest first.

Largest prefixes originated by AS218882
PrefixAddressesVisibility
2a06:9801:f7f::/4865.5k × /6463/64
2a06:9801:fca::/4865.5k × /6463/64

Routing health

How AS218882'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

  • /4865.5k × /64100.0%2

Recent changes

Announcements that started or stopped since 28th Aug 2026.

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