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AS numbers

AS205185 Eurofiber Spine

AS205185 is operated by Eurofiber Spine and registered with RIPE NCC (NL) since 2017-10-19.

It announces 12 IPv4 and 3 IPv6 prefixes, 100% of them RPKI valid.

RIPE RIS sees 1 upstream and peer networks and 10 downstream networks next to it.

PeeringDB lists it at 48 facilities. Its peering policy is open.

Run the full network report BGP lookup WHOIS PeeringDB lookup
NameEurofiber Spine
Registry (RIR)RIPE NCC
CountryNetherlands (NL)
Delegated on2017-10-19
Network typeNot Disclosed
Peering policyOpen
IRR as-setAS-DCSPINE
Prefixes (IPv4 / IPv6)12 / 3
RPKI valid100% (15 / 15)
Upstreams and peers1
Downstream networks10
Websitedcspine.nl

Routing health

  • AS205185 announces 12 IPv4 and 3 IPv6 prefixes.
  • All 15 announced prefixes are RPKI valid.
  • One upstream or peer seen (AS39686): an outage there takes the whole network off the internet.

For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.

Announced prefixes 15

  • 45.129.172.0/22
  • 86.105.160.0/22
  • 91.231.4.0/23
  • 91.231.6.0/24
  • 93.187.48.0/24
  • 185.136.236.0/22
  • 185.142.79.0/24
  • 185.152.84.0/22
  • 185.226.108.0/22
  • 194.135.48.0/22
  • 212.125.140.0/24
  • 212.125.141.0/24
  • 2a0d:8600::/29
  • 2a0f:dc40::/29
  • 2a14:2940::/29

Upstreams and peers 1

The networks RIPE RIS sees next to AS205185 in BGP paths, the most visible first.

Peering

Peering policy: Open. Suggested max-prefix limits: 0 IPv4, 0 IPv6. PeeringDB record

Facilities 48
FacilityCityCountry
Alticom - IJsselsteinIJsselsteinNL
BIT-2EdeNL
Datacenter.com AMS1AmsterdamNL
Digital Realty AMS17 - AmsterdamAmsterdamNL
Digital Realty AMS18 - AmsterdamAmsterdamNL
Digital Realty AMS3/5/7/8/10 - AmsterdamAmsterdamNL
Digital Realty AMS9 - AmsterdamAmsterdamNL
Digital Realty BRU1 - BrusselsBrusselsBE
EFXEindhovenNL
Equinix AM1/AM2 - Amsterdam, LuttenbergwegAmsterdamNL
Equinix AM11 - Amsterdam, LemelerbergwegAmsterdamNL
Equinix AM3 - Amsterdam, Science ParkAmsterdamNL
Equinix AM4 - Amsterdam, Science ParkAmsterdamNL
Equinix AM5 - Amsterdam, SchepenbergwegAmsterdamNL
Equinix AM6 - Amsterdam, DuivendrechtsekadeAmsterdamNL
Equinix AM7 - Amsterdam, KuiperberwegAmsterdamNL
Equinix EN1 - EnschedeEnschedeNL
Equinix FR5 - Frankfurt, KleyerStrasseFrankfurtDE
Equinix ZW1 - ZwolleZwolleNL
euNetworks AmsterdamAmsterdamNL
Eurofiber Datacenter Amsterdam 1HoofddorpNL
Eurofiber Datacenter Arnhem 1ArnhemNL
Eurofiber Datacenter NL Zuid-West 1WaalwijkNL
Eurofiber Datacenter NL Zuid-West 2SteenbergenNL
Eurofiber Datacenter Rotterdam 1AlblasserdamNL
Eurofiber Datacenter Rotterdam 2RotterdamNL
Eurofiber Datacenter Utrecht 1GroenekanNL
Global Switch AmsterdamAmsterdamNL
Global-e Datacenter NLRI1RijenNL
Greenhouse Datacenters DC1NaaldwijkNL
Greenhouse Datacenters DC2NaaldwijkNL
Iron Mountain Data Center - Amsterdam (AMS-1)AmsterdamNL
KoloDC NL1DrontenNL
LCL AntwerpAntwerpBE
LCL Brussels (Diegem)BrusselsBE
NIKHEF AmsterdamAmsterdamNL
nLighten Amsterdam AMS1AmsterdamNL
NorthC AlmereAlmereNL
NorthC Amsterdam 1AmsterdamNL
NorthC DelftDelftNL
NorthC Eindhoven 1EindhovenNL
NorthC Groningen 1GroningenNL
NorthC Oude MeerOude MeerNL
NorthC Rotterdam WaalhavenRotterdamNL
Previder PDC1HengeloNL
QTS Eemshaven (EEM1)EemshavenNL
QTS Groningen (GRO1)GroningenNL
Smartdc RotterdamRotterdamNL

More about AS205185

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-14 06:20 UTC. The country is where the AS number was registered, not necessarily where the network operates.