AS1888 CWI-NL Stichting Centrum voor Wiskunde en Informatica

CWI-NL Stichting Centrum voor Wiskunde en Informatica · registered in the Netherlands

IPv4 addresses1,2804 prefixes · <0.001% of announced IPv4

Rank in Netherlands#445largest network in NL by IPv4 space, of 1,026 · <0.01% of NL

Rank worldwide#28,323of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryNetherlands1,098 ASNs registered there

Open AS1888 in ASN lookup Look up an IP in this network (192.16.184.1) All networks in Netherlands

IPv4 prefixes

All 4 prefixes, in address order.

192.16.184.0/24
192.16.191.0/24
192.16.196.0/23
192.16.201.0/24

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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