subnet.im

AS215370Thomas Sebastiaan Viet trading as Wasabi Hosting

NetherlandsRegistryRIPE NCC

As of 12th November 2026, AS215370 (Thomas Sebastiaan Viet trading as…), a network registered in the Netherlands with RIPE NCC, originates 4 IPv4 prefixes covering 1k addresses and 1 IPv6 prefix. By IPv4 address space that makes it the 36,502nd-largest of the 80,772 networks we see originating IPv4, and the 511th-largest of 1,042 in the Netherlands. It is seen behind 2 upstream networks, most often AS199524 (Gcore S.A.) and AS50917 (Diederik Focko de Zee). 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

4

IPv6 prefixes

1

IPv4 addresses

1k

IPv6 /64s

65.5k

Upstream graph

The networks AS215370 is seen behind, one and two hops out, drawn from real AS paths.

AS215370Toward the internet core
Upstream graph for AS215370: 6 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS215370Thomas Sebastiaan…This networkAS50917Diederik Focko de…AS199524Gcore S.A.AS174Cogent Communicat…AS216265ARISTO NETWORKS L…AS1299Arelion (fka. Tel…AS6939Hurricane Electri…

Networks observed one and two hops upstream of AS215370 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

5

adjacent networks

Upstreams
240%
Peers
360%
Downstreams
00%

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

Upstreams of AS215370
NetworkCountryRelationshipPathsVantage pts
AS199524Gcore S.A.LUPeer30877
AS50917Diederik Focko de ZeeNLPeer6363

Prefixes

The largest blocks AS215370 originates, widest first.

Largest prefixes originated by AS215370
PrefixAddressesVisibility
31.57.151.0/2425677/78
82.39.186.0/2425677/78
82.47.140.0/2425677/78
155.117.255.0/2425677/78
2a0e:fd45:2e50::/4865.5k × /6463/64

Routing health

How AS215370'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%5
  • Invalid0.0%0
  • No ROA0.0%0

Propagation

  • Globally propagated90% of full-feed peers or more100.0%5
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 4 prefixes

IPv6 — 1 prefixes

  • /4865.5k × /64100.0%1

Recent changes

Announcements that started or stopped since 13th Oct 2026.

No announcement by AS215370 started or stopped in this period.

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