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AS200101Devi Kempen trading as Wallgrind Solutions

NetherlandsRegistryRIPE NCC

As of 10th November 2026, AS200101 (Devi Kempen trading as Wallgrind…), a network registered in the Netherlands with RIPE NCC, originates 1 IPv4 prefix covering 256 addresses and 1 IPv6 prefix. By IPv4 address space that makes it the 59,962nd-largest of the 80,733 networks we see originating IPv4, and the 787th-largest of 1,042 in the Netherlands. It is seen behind 1 upstream network, most often AS212477 (RoyaleHosting B.V.). 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, and 1 prefix is also originated by another network.

At a glance

IPv4 prefixes

1

IPv6 prefixes

1

IPv4 addresses

256

IPv6 /64s

65.5k

Upstream graph

The networks AS200101 is seen behind, one and two hops out, drawn from real AS paths.

AS200101Toward the internet core
Upstream graph for AS200101: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS200101Devi Kempen tradi…This networkAS212477RoyaleHosting B.V.AS1299Arelion (fka. Tel…AS2914NTT America, Inc.

Networks observed one and two hops upstream of AS200101 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

2

adjacent networks

Upstreams
150%
Peers
150%
Downstreams
00%

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

Upstreams of AS200101
NetworkCountryRelationshipPathsVantage pts
AS212477RoyaleHosting B.V.NLPeer134134

Prefixes

The largest blocks AS200101 originates, widest first.

Largest prefixes originated by AS200101
PrefixAddressesVisibility
203.26.132.0/2425676/76
2001:678:1200::/4865.5k × /6458/63

Routing health

How AS200101'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

IPv4 — 1 prefixes

IPv6 — 1 prefixes

  • /4865.5k × /64100.0%1

Recent changes

Announcements that started or stopped since 12th Oct 2026.

No announcement by AS200101 started or stopped in this period.

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