subnet.im

AS50673Serverius Holding B.V.

NetherlandsRegistryRIPE NCCTypeContent

As of 27th September 2026, AS50673 (Serverius Holding B.V.), a content network registered in the Netherlands with RIPE NCC, originates 73 IPv4 prefixes covering 63k addresses and 13 IPv6 prefixes. By IPv4 address space that makes it the 4,050th-largest of the 79,523 networks we see originating IPv4, and the 50th-largest of 1,023 in the Netherlands. It is seen behind 44 upstream networks, most often AS33891 (Core-Backbone GmbH) and AS6453 (TATA Communications (America) Inc), and in front of 96 downstream networks. 73% of its announcements have 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

73

IPv6 prefixes

13

IPv4 addresses

63k

IPv6 /64s

68.7B

Upstream graph

The networks AS50673 is seen behind, one and two hops out, drawn from real AS paths.

AS50673Toward the internet core
Upstream graph for AS50673: 12 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS50673Serverius Holding…This networkAS174Cogent Communicat…AS6453TATA Communicatio…AS6830Liberty Global Eu…AS9002RETN LimitedAS33891Core-Backbone GmbHAS1299Arelion (fka. Tel…AS151326DCConnect Communi…AS8220COLTAS32590Valve CorporationAS57866Fusix Networks B.…AS6667Elisa OyjAS24940Hetzner Online Gm…

Networks observed one and two hops upstream of AS50673 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

1,494

adjacent networks

Upstreams
443%
Peers
1,35491%
Downstreams
966%

Networks carrying this one's traffic toward the rest of the internet. Listing the 40 seen on the most AS paths, of 44.

Upstreams of AS50673
NetworkCountryRelationshipPathsVantage pts
AS33891Core-Backbone GmbHDEPeer16,17667
AS6453TATA Communications (America) IncUSPeer9,86381
AS6830Liberty Global Europe Holding B.V.EUPeer5,43985
AS174Cogent Communications, LLCUSPeer4,71575
AS9002RETN LimitedGBPeer2,717110
AS6762Telecom Italia Sparkle (Seabone)ITPeer1,90713
AS7713PT Telkom Indonesia TbkIDPeer1,5083
AS13030Init7 (Switzerland) Ltd.CHPeer1,3944
AS6939Hurricane Electric LLCUSPeer1,31421
AS38880Micron21 Datacentre Pty LtdAUPeer1,2882

Prefixes

All 86

The largest blocks AS50673 originates, widest first.

Largest prefixes originated by AS50673
PrefixAddressesVisibility
5.255.64.0/198.2k81/81
46.249.32.0/198.2k81/81
93.158.208.0/204.1k81/81
178.19.112.0/204.1k81/81
5.178.64.0/212k81/81
46.175.144.0/212k81/81
93.158.200.0/212k81/81
178.21.16.0/212k81/81
5.188.12.0/221k81/81
45.94.200.0/221k81/81

Routing health

How AS50673'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

  • Valid73.3%63
  • Invalid0.0%0
  • No ROA26.7%23

Propagation

  • Globally propagated90% of full-feed peers or more100.0%86
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 73 prefixes

IPv6 — 13 prefixes

  • /2934.4B × /647.7%1
  • /324.3B × /6461.5%8
  • /4865.5k × /6430.8%4

Recent changes

Announcements that started or stopped since 28th Aug 2026.

No announcement by AS50673 started or stopped in this period.

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