Autonomous System

AS208172 Proton AG

HostingActiveSwitzerlandRIPE

AS208172 (PV-HOSTED) is a hosting network operated by Proton AG in Switzerland, registered with RIPE. It has 93 IPv4 prefixes with 23,808 addresses, which makes it the 6,247th largest of 82,558 active autonomous systems by IPv4 space.

IPv4 addresses23,808in 93 prefixes
IPv6 prefixes0none
Size rank#6,247of 82,558 active ASNs
Abuser scoreElevated2.26% of its addresses flagged · method

Details

OrganizationProton AG · hosting provider profile
AS namePV-HOSTED
Websiteprotonvpn.com
Country Switzerland (CH)
Network typeHosting
RegistryRIPE
Abuse contactabuse.importer974@passmail.net
Registered2025-05-20
Last updated2025-05-20

IPv4 prefixes

93 prefixes · 23,808 addresses
NetworkAddressesFirst – last address
72.251.208.0/2425672.251.208.0 – 72.251.208.255
72.251.209.0/2425672.251.209.0 – 72.251.209.255
72.251.210.0/2425672.251.210.0 – 72.251.210.255
72.251.211.0/2425672.251.211.0 – 72.251.211.255
72.251.212.0/2425672.251.212.0 – 72.251.212.255
72.251.213.0/2425672.251.213.0 – 72.251.213.255
72.251.214.0/2425672.251.214.0 – 72.251.214.255
72.251.215.0/2425672.251.215.0 – 72.251.215.255
72.251.216.0/2425672.251.216.0 – 72.251.216.255
72.251.217.0/2425672.251.217.0 – 72.251.217.255
72.251.218.0/2425672.251.218.0 – 72.251.218.255
72.251.219.0/2425672.251.219.0 – 72.251.219.255
72.251.220.0/2425672.251.220.0 – 72.251.220.255
72.251.221.0/2425672.251.221.0 – 72.251.221.255
72.251.222.0/2425672.251.222.0 – 72.251.222.255
80.47.32.0/2425680.47.32.0 – 80.47.32.255
80.47.33.0/2425680.47.33.0 – 80.47.33.255
80.47.34.0/2425680.47.34.0 – 80.47.34.255
80.47.35.0/2425680.47.35.0 – 80.47.35.255
80.47.36.0/2425680.47.36.0 – 80.47.36.255
80.47.37.0/2425680.47.37.0 – 80.47.37.255
80.47.38.0/2425680.47.38.0 – 80.47.38.255
80.47.39.0/2425680.47.39.0 – 80.47.39.255
80.47.42.0/2425680.47.42.0 – 80.47.42.255
80.47.44.0/2425680.47.44.0 – 80.47.44.255
The 25 largest of 93. The API and the database have all of them.

IPv6 prefixes

No IPv6 prefixes.

Query AS208172 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS208172&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS208172, with or without a key:

curl "https://api.ipapi.is/?q=72.251.208.1"

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