$ query “AS62371” --type=asn → 1 result(s)
AS62371 — PROTON
Proton AG
AS62371 is an enterprise access provider run by Proton AG, based in Switzerland since 2015. The network announces 2 816 IPv4 addresses. Supports IPv6.
Basic Information
- Country
- 🇨🇭 Switzerland
- Category
- Business
- Network Role
- Access Provider
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- November 17, 2015
- Last Changed
- March 04, 2026
- Last Seen
- March 04, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 11 / 7
- IPv6 Prefixes (raw / aggregated)
- 7 / 4
- IPv4 Addresses
- 2 816
- Largest IPv4 Prefix
- /22 (1 024 addresses)
- Largest IPv6 Prefix
- /43
- Geolocated Countries
- 🇨🇭 CH (4 IPs), 🇳🇴 NO (2 IPs), 🇩🇪 DE (4 IPs), 🇸🇪 SE
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 4 flagged IPs out of 2 816 total (0.14%)
Connectivity Summary
- Upstream Providers
- 4 upstream autonomous systems providing transit
- Peers
- 40 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 1 downstream autonomous systems buying transit
- Degree
- 47 unique BGP neighbors (providers + customers + peers)
- Reach
- 1 — customer cone size measuring network influence
- Degree Rank
- #3 145
- Reach Rank
- #10 180
Upstream Providers (4)
Prefix Lists
IPv4 Prefixes (11 total)
- 185.70.40.0/22 (1 024 addresses)
- 79.135.106.0/23 (512 addresses)
- 109.224.244.0/24 (256 addresses)
- 109.224.247.0/24 (256 addresses)
- 176.119.200.0/24 (256 addresses)
- 185.205.70.0/24 (256 addresses)
- 194.0.147.0/24 (256 addresses)
IPv6 Prefixes (7 total)
- 2a05:2701:f00::/43
- 2a05:2701:f40::/43
- 2a05:2701:fe00::/47
- 2a05:2701:fe02::/48