AS202123 NAZ Nationale Alarmzentrale NEOC

NAZ Nationale Alarmzentrale NEOC · registered in Switzerland

IPv4 addresses1,7923 prefixes · <0.001% of announced IPv4

Rank in Switzerland#265largest network in CH by IPv4 space, of 741 · 0.01% of CH

Rank worldwide#25,498of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySwitzerland783 ASNs registered there

Open AS202123 in ASN lookup Look up an IP in this network (185.51.68.1) All networks in Switzerland

IPv4 prefixes

All 3 prefixes, in address order.

185.51.68.0/22
193.135.172.0/24
193.246.124.0/23

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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