AS62371 PROTON Proton AG

PROTON Proton AG · registered in Switzerland

IPv4 addresses3,0728 prefixes · <0.001% of announced IPv4

Rank in Switzerland#187largest network in CH by IPv4 space, of 741 · 0.02% of CH

Rank worldwide#18,445of 79,396 networks with IPv4

IPv682 x /485 prefixes

CountrySwitzerland783 ASNs registered there

Open AS62371 in ASN lookup Look up an IP in this network (79.135.106.1) All networks in Switzerland

IPv4 prefixes

All 8 prefixes, in address order.

79.135.106.0/23
95.36.96.0/24
95.36.98.0/24
109.224.244.0/24
176.119.200.0/24
185.70.40.0/22
185.205.70.0/24
194.0.147.0/24

IPv6 prefixes

All 5 prefixes.

2a05:2701:f00::/43
2a05:2701:f20::/44
2a05:2701:f40::/43
2a05:2701:fe00::/48
2a05:2701:fe02::/48

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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