subnet.im

AS211895Serverius Holding B.V.

NetherlandsRegistryRIPE NCC

As of 11th November 2026, AS211895 (Serverius Holding B.V.), a network registered in the Netherlands with RIPE NCC, originates 12 IPv4 prefixes covering 3.1k addresses and 6 IPv6 prefixes. By IPv4 address space that makes it the 20,474th-largest of the 80,743 networks we see originating IPv4, and the 297th-largest of 1,042 in the Netherlands. It is seen behind 1 upstream network, most often AS50673 (Serverius Holding B.V.). 61% of its announcements have a valid RPKI ROA; 1 is RPKI-invalid. 94% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

12

IPv6 prefixes

6

IPv4 addresses

3.1k

IPv6 /64s

38.7B

Upstream graph

The networks AS211895 is seen behind, one and two hops out, drawn from real AS paths.

AS211895Toward the internet core
Upstream graph for AS211895: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS211895Serverius Holding…This networkAS50673Serverius Holding…AS6453TATA Communicatio…AS33891Core-Backbone GmbH

Networks observed one and two hops upstream of AS211895 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 AS211895
NetworkCountryRelationshipPathsVantage pts
AS50673Serverius Holding B.V.NLPeer1,222139

Prefixes

The largest blocks AS211895 originates, widest first.

Largest prefixes originated by AS211895
PrefixAddressesVisibility
31.43.163.0/2425676/76
45.155.7.0/2425676/76
82.41.2.0/2425676/76
85.204.127.0/2425676/76
88.218.30.0/2425676/76
89.33.163.0/2425676/76
91.198.77.0/2425676/76
91.208.52.0/2425676/76
94.247.214.0/2425676/76
103.42.240.0/2425676/76

Routing health

How AS211895'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

  • Valid61.1%11
  • Invalid5.6%1
  • No ROA33.3%6

Propagation

  • Globally propagated90% of full-feed peers or more94.4%17
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%5.6%1

Prefix sizes

IPv4 — 12 prefixes

IPv6 — 6 prefixes

  • /2934.4B × /6416.7%1
  • /324.3B × /6416.7%1
  • /4865.5k × /6466.7%4

Recent changes

Announcements that started or stopped since 12th Oct 2026.

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