AS Number
AS Name
Org Name
Proton AG






AS62371 Looking Glass






IPv6 NUMs(/64)


1,536 IPv4 Addresses
CIDR Description IP Num Proton Technologies AG 256 protonmail-1 256 Proton Technologies AG 256 Proton Technologies AG 256 Proton Technologies AG 256 Proton Technologies AG 256
CIDR Description IP NUMs(prefix /64)
2a05:2701:f00::/44 Proton AG 1048576
2a05:2701:f10::/44 Proton AG 1048576
2a05:2701:f30::/44 Proton AG 1048576
2a05:2701:f40::/44 Proton AG 1048576
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 258,304 17,605,071,863,808 IPv4 IPv4 IPv6 IPv6
AS2914 NTT-LTD-2914 - NTT America, Inc., US United States 6,850,304 21,474,967,552 IPv4 IPv4 IPv6 IPv6
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 29,786,880 73,033,915,648 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 487,680 282,631,397,441,536 IPv4 IPv4 IPv6 IPv6
AS13335 CLOUDFLARENET - Cloudflare, Inc., US United States 1,677,056 43,383,324,672 IPv4 IPv4
AS19905 SECURITYSERVICES - Neustar Security Services, US United States 45,568 1,114,112 IPv4 IPv4 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS209103 ProtonVPN - Proton AG, CH Switzerland 768 5,242,880 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains 1 1
as-block:       AS61952 - AS62463
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2018-11-22T15:27:34Z
last-modified:  2018-11-22T15:27:34Z
source:         RIPE

aut-num:        AS62371
as-name:        PROTON
org:            ORG-PTA20-RIPE
import:         from AS209103 accept AS209103
import:         from AS25091 accept ANY
import:         from AS6939 accept ANY
import:         from AS1299 accept ANY
import:         from AS2914 accept ANY
import:         from AS3356 accept ANY
export:         to AS25091 announce AS62371
export:         to AS19905 announce AS62371:AS-ALL
export:         to AS13335 announce AS62371:AS-ALL
export:         to AS6939 announce AS62371:AS-ALL
export:         to AS1299 announce AS62371:AS-ALL
export:         to AS2914 announce AS62371:AS-ALL
export:         to AS3356 announce AS62371:AS-ALL
admin-c:        SC21786-RIPE
tech-c:         SC21786-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         protonmail-mnt
created:        2015-11-17T14:47:02Z
last-modified:  2021-12-03T11:47:16Z
source:         RIPE

organisation:   ORG-PTA20-RIPE
org-name:       Proton AG
country:        CH
org-type:       LIR
address:        Route de la Galaise, 32
address:        1228
address:        Plan-les-Ouates
address:        SWITZERLAND
phone:          +41 22 884 11 00
e-mail:         [email protected]
abuse-c:        AC28331-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        protonmail-mnt
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         protonmail-mnt
created:        2014-09-10T14:11:20Z
last-modified:  2022-11-22T11:24:38Z
source:         RIPE

person:         Sebastien Ceuterickx
address:        Chemin du Pré-Fleuri 3
address:        CH-1228 Plan-les-Ouates
address:        SWITZERLAND
phone:          +41225483451
nic-hdl:        SC21786-RIPE
mnt-by:         protonmail-mnt
mnt-by:         ch-protonvpn-1-mnt
created:        2019-02-14T12:36:41Z
last-modified:  2019-02-14T12:36:41Z
source:         RIPE