AS212310 Nielsen Nielsen International SA

Nielsen Nielsen International SA · registered in Switzerland

IPv4 addresses1,0241 prefixes · <0.001% of announced IPv4

Rank in Switzerland#430largest network in CH by IPv4 space, of 741 · <0.01% of CH

Rank worldwide#40,786of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySwitzerland783 ASNs registered there

Open AS212310 in ASN lookup Look up an IP in this network (185.237.192.1) All networks in Switzerland

IPv4 prefixes

All 1 prefix, in address order.

185.237.192.0/22

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AS215489#432 SANDOZ-GDC-EU Sandoz AG1,024

AS208608#433 REDACTED Haemoglobin768

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