AS209103 ProtonVPN Proton AG

ProtonVPN Proton AG · registered in Switzerland

IPv4 addresses1,5365 prefixes · <0.001% of announced IPv4

Rank in Switzerland#272largest network in CH by IPv4 space, of 741 · 0.01% of CH

Rank worldwide#26,121of 79,396 networks with IPv4

IPv664 x /483 prefixes

CountrySwitzerland783 ASNs registered there

Open AS209103 in ASN lookup Look up an IP in this network (62.169.136.1) All networks in Switzerland

IPv4 prefixes

All 5 prefixes, in address order.

62.169.136.0/23
79.135.104.0/24
185.159.157.0/24
185.159.159.0/24
194.126.177.0/24

IPv6 prefixes

All 3 prefixes.

2a07:b941:e10::/44
2a07:b941:e40::/44
2a07:b941:f00::/43

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AS41294#275 ZUGERKB Zuger Kantonalbank1,536

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