AS209103 is the autonomous system of Proton AG. It holds 1,536 IPv4 addresses in 5 prefixes plus 2 IPv6 ranges, mainly in 
Switzerland.
By IPv4 addresses the network ranks #26,171 worldwide and #253 of 735 networks in Switzerland.
The network spreads across 3 countries: Switzerland 83%, Germany 17%, United Kingdom 0.52%.
The largest block is 62.169.136.0 to 62.169.137.255 with 512 addresses, geolocated to Plan-les-Ouates.
- IPv4 addresses
- 1,536
- IPv4 prefixes
- 5
- World rank
- #26,171
- IPv6 ranges
- 2
Addresses by country
- Switzerland 83%
Germany 17%
United Kingdom 0.52%
Largest blocks
- 62.169.136.0 Plan-les-Ouates512
- 194.126.177.0 Frankfurt am Main (Innenstadt III)256
- 185.159.159.0 Plan-les-Ouates256
- 185.159.157.0 Zurich256
- 79.135.104.0 Bath256
Networks of similar size
1,536
1,536
1,536
1,536
1,536
1,536
1,536IPv4 prefixes
Questions and answers
Who owns AS209103?
Autonomous system AS209103 is operated by Proton AG.
How many IP addresses does AS209103 have?
The network holds 1,536 IPv4 addresses in 5 prefixes, plus 2 IPv6 ranges.
Which country is AS209103 in?
The main country is Switzerland, with addresses in 2 more countries.
How big is AS209103?
By IPv4 addresses it ranks #26,171 worldwide.
What is the largest address block of AS209103?
62.169.136.0 to 62.169.137.255, 512 addresses.