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Data as of Nov 7, 2026

72.251.217.0/24

Anonymizer · VPN

Proton AG

Announcement
this exact prefix
RPKI valid
Announced by
AS208172
Type
VPN
Risk
75 / 100 · High
IPv4 market

Path

1 · Holder
Proton AG
record created Dec 16, 2025
2 · Leased from
not leased
3 · Announced by
AS208172 Proton AG
since Jan 2026 · 10 mo ago
4 · Use
VPN servicesnamed Proton VPN
VPN

Operators, sellers and brokers

VPN services

NameParentIn 72.251.217.0/24/24s
Proton VPNProton AG
256100%
1

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

72.251.217.0/24

From the registry to its use

  1. Dec 16, 2025
    Registry record
    Proton AG
    ALLOCATED PA
    72.251.208.0/20
  2. Jan 19, 2026– today
    Announced
    AS208172 Proton AG
    Hosting
  3. Jan 27, 2026
    Assigned
    PV-SL-HOSTED-Amsterdam
    ASSIGNED PA
    72.251.217.0/24
  4. Jan 27, 2026
    Route object
    AS208172 Proton AG
    RIPE route object for AS208172 Proton AG, maintainer PROTONMAIL-MNT
  5. today
    Used
    Proton VPN
    VPN

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
72.251.208.0/204,096CH-PROTONVPN-2-20250529Proton AG (ORG-PTA40-RIPE) · CHALLOCATED PADec 16, 2025abuse.importer974@passmail.net
└ 72.251.217.0/24256PV-SL-HOSTED-AmsterdamPV-SL-HOSTED-Amsterdam (ORG-PA1718-RIPE) · NLASSIGNED PAJan 27, 2026abuse.importer974@passmail.net

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Proton AG
Handle
ORG-PTA40-RIPE
Range
72.251.208.0/20
Registration type
ALLOCATED PA
Record created
Dec 16, 2025
Origin network

AS208172

CH
Name
Proton AG
Type
Hosting
Registered
May 20, 2025
Domain
proton.ch
Spamhaus ASN-DROP
not listed
VPN servers
2