AS209103
Proton AG
ASN
AS209103
Country
Switzerland
IPv4 addresses
1,536
Prefixes (IPv4 / IPv6)
5 / 1
ASN Information
- ASN Number
- AS209103
- AS Name
- Proton AG
- Country
- Switzerland
- IPv4 addresses
- 1,536
- IPv4 prefixes
- 5
- IPv6 prefixes
- 1
VPN & datacenter signals
- Known VPN prefixes
- 26
- Known datacenter prefixes
- 19
Counted from public VPN and datacenter lists. Check individual IPs with the API.
Largest announced prefixes
- 62.169.136.0/23
- 79.135.104.0/24
- 194.126.177.0/24
- 185.159.159.0/24
- 185.159.157.0/24
- 2a07:b940::/29
Source: public routing and registration data, updated 2026-10-28.
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