AS58291 ColoCenter ColoCenter b.v.

ColoCenter ColoCenter b.v. · registered in the Netherlands

IPv4 addresses8,96016 prefixes · <0.001% of announced IPv4

Rank in Netherlands#160largest network in NL by IPv4 space, of 1,026 · 0.02% of NL

Rank worldwide#9,708of 79,396 networks with IPv4

IPv69 x /32 (589,825 x /48)3 prefixes

CountryNetherlands1,098 ASNs registered there

Open AS58291 in ASN lookup Look up an IP in this network (5.39.184.1) All networks in Netherlands

IPv4 prefixes

All 16 prefixes, in address order.

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

IPv6 prefixes

All 3 prefixes.

2001:67c:cdc::/48
2a01:4c01::/32
2a02:f640::/29

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources