AS201319 STADTZUERICH Stadt Zuerich, Organisation und Informatik

STADTZUERICH Stadt Zuerich, Organisation und Informatik · registered in Switzerland

IPv4 addresses18,4322 prefixes · <0.001% of announced IPv4

Rank in Switzerland#59largest network in CH by IPv4 space, of 741 · 0.12% of CH

Rank worldwide#6,433of 79,396 networks with IPv4

IPv6256 x /481 prefixes

CountrySwitzerland783 ASNs registered there

Open AS201319 in ASN lookup Look up an IP in this network (194.56.0.1) All networks in Switzerland

IPv4 prefixes

All 2 prefixes, in address order.

194.56.0.0/18
194.56.64.0/21

IPv6 prefixes

All 1 prefix.

2a07:2902:6f00::/40

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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