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AS numbers

AS58291 ColoCenter

AS58291 is operated by ColoCenter and registered with RIPE NCC (NL) since 2012-06-15.

It announces 16 IPv4 and 3 IPv6 prefixes, 94% of them RPKI valid.

RIPE RIS sees 54 upstream and peer networks and 8 downstream networks next to it.

PeeringDB lists it as a Content network at 9 internet exchanges and 6 facilities. Its peering policy is open.

NameColoCenter
Registry (RIR)RIPE NCC
CountryNetherlands (NL)
Delegated on2012-06-15
Network typeContent, Europe
Peering policyOpen
IRR as-setRIPE::AS-COLOCENTER
Prefixes (IPv4 / IPv6)16 / 3
RPKI valid94% (18 / 19)
Upstreams and peers54
Downstream networks8
Websitecolocenter.nl

Routing health

  • AS58291 announces 16 IPv4 and 3 IPv6 prefixes.
  • 18 of 19 announced prefixes are RPKI valid.
  • 1 announced prefixes are not covered by a ROA of AS58291 (they may have none, or another network’s).
  • 54 upstreams and peers, 8 downstream networks seen.

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 19

  • 5.39.184.0/21
  • 5.253.237.0/24
  • 23.230.52.0/24
  • 45.43.153.0/24
  • 45.141.20.0/24
  • 91.205.193.0/24
  • 92.60.66.0/24
  • 104.165.118.0/24
  • 142.252.94.0/24
  • 156.67.120.0/24
  • 185.79.152.0/22
  • 185.102.68.0/22
  • 185.140.184.0/22
  • 199.104.32.0/24
  • 213.156.28.0/22
  • 216.172.144.0/24
  • 2a01:4c01::/32
  • 2a02:f640::/29
  • 2001:67c:cdc::/48

Upstreams and peers 54

The networks RIPE RIS sees next to AS58291 in BGP paths, the most visible first.

Peering

Peering policy: Open. Suggested max-prefix limits: 200 IPv4, 15 IPv6. PeeringDB record

Internet exchanges 9
ExchangePortsSpeedRoute server
ERA-IX Amsterdam110GYes
FogIXP110GYes
FogIXP Amsterdam110GYes
Frys-IX110GYes
GNM-IX1100GYes
INTERIX110GNo
LSIX: Main110GYes
NL-ix: Main110GYes
Speed-IX: SPEED-IX110GYes
Facilities 6
FacilityCityCountry
ColoCenter ZoetermeerZoetermeerNL
DFDC The HagueThe HagueNL
Eurofiber Datacenter Rotterdam 2RotterdamNL
NIKHEF AmsterdamAmsterdamNL
NorthC DelftDelftNL
Spaanse Kubus RotterdamRotterdamNL

More about AS58291

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-14 02:29 UTC. The country is where the AS number was registered, not necessarily where the network operates.