AS51299 RGTN Redworks B.V.

RGTN Redworks B.V. · registered in the Netherlands

IPv4 addresses1,7924 prefixes · <0.001% of announced IPv4

Rank in Netherlands#382largest network in NL by IPv4 space, of 1,026 · <0.01% of NL

Rank worldwide#24,636of 79,396 networks with IPv4

IPv63 x /32 (196,608 x /48)2 prefixes

CountryNetherlands1,098 ASNs registered there

Open AS51299 in ASN lookup Look up an IP in this network (131.143.173.1) All networks in Netherlands

IPv4 prefixes

All 4 prefixes, in address order.

131.143.173.0/24
185.158.144.0/22
194.61.85.0/24
194.61.87.0/24

IPv6 prefixes

All 2 prefixes.

2607:6fc0::/32
2a07:ae00::/31

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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