AS16281 UTELISYS Utelisys Communications B.V.

UTELISYS Utelisys Communications B.V. · registered in the Netherlands

IPv4 addresses6,1444 prefixes · <0.001% of announced IPv4

Rank in Netherlands#189largest network in NL by IPv4 space, of 1,026 · 0.01% of NL

Rank worldwide#12,164of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryNetherlands1,098 ASNs registered there

Open AS16281 in ASN lookup Look up an IP in this network (185.59.36.1) All networks in Netherlands

IPv4 prefixes

All 4 prefixes, in address order.

185.59.36.0/22
195.66.152.0/23
195.68.218.0/23
217.117.224.0/20

IPv6 prefixes

All 1 prefix.

2a03:a980::/32

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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