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AS203623
AS203623 zerospace Fiber Services B.V.
zerospace Fiber Services B.V. · registered in the Netherlands
IPv4 addresses 1,024 1 prefixes · <0.001% of announced IPv4
Rank in Netherlands #479 largest network in NL by IPv4 space, of 1,026 · <0.01% of NL
Rank worldwide #29,961 of 79,396 networks with IPv4
IPv6 8 x /32 (524,288 x /48) 18 prefixes
IPv4 prefixes
All 1 prefix, in address order.
IPv6 prefixes
All 18 prefixes.
2a06:c8c0::/30 2a06:c8c4::/46 2a06:c8c4:4::/46 2a06:c8c4:8::/45 2a06:c8c4:10::/44 2a06:c8c4:20::/43 2a06:c8c4:40::/42 2a06:c8c4:80::/41 2a06:c8c4:100::/40 2a06:c8c4:200::/39 2a06:c8c4:400::/38 2a06:c8c4:800::/37 2a06:c8c4:1000::/36 2a06:c8c4:2000::/35 2a06:c8c4:4000::/34 2a06:c8c4:8000::/33 2a06:c8c5::/32 2a06:c8c6::/31
Similar-sized networks in Netherlands
ASN Name IPv4 addresses
AS203179 #477 ProactMCS Proact Netherlands B.V.1,024
AS203762 #480 INFOSUPPORT4 Info Support BV1,024
AS204319 #482 TRIGION Trigion Alarmcentrale BV1,024
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