AS209103
Proton AG
ASN
AS209103
Country
Switzerland
IPv4 addresses
1,536
Prefixes (IPv4 / IPv6)
5 / 2
ASN Information
- ASN Number
- AS209103
- AS Name
- Proton AG
- Country
- Switzerland
- IPv4 addresses
- 1,536
- IPv4 prefixes
- 5
- IPv6 prefixes
- 2
VPN & datacenter signals
- Blocks on public VPN lists
- 26 · 10 % of its IPv4 addresses
- Blocks on public datacenter lists
- 19 · 5 % of its IPv4 addresses
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:b941:f00::/44
- 2a07:b941:e40::/44
Source: DB-IP and MaxMind routing and registration data as of 2026-10-01.
Explore IP data by country
United States
United Kingdom
Germany
France
Japan
China
Australia
Canada
Brazil
India
Netherlands
Sweden
Norway
Switzerland
Singapore
Hong Kong
South Korea
Russia
Poland
Czech Republic
Query ASN data via API
Integrate ASN lookups and threat intelligence into your application.