AS51423 Assolo Assolo Networks SA

Assolo Assolo Networks SA · registered in Switzerland

IPv4 addresses4,0961 prefixes · <0.001% of announced IPv4

Rank in Switzerland#159largest network in CH by IPv4 space, of 741 · 0.03% of CH

Rank worldwide#16,190of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySwitzerland783 ASNs registered there

Open AS51423 in ASN lookup Look up an IP in this network (213.133.224.1) All networks in Switzerland

IPv4 prefixes

All 1 prefix, in address order.

213.133.224.0/20

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ASNNameIPv4 addresses

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AS58326#160 Fort-IT IP-Max SA4,096

AS197312#161 BSOURCE-AS Avaloq Sourcing (Switzerland & Liechtenstein) SA4,096

AS204478#162 EWH EW Hoefe AG4,096

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