% APNIC found the following authoritative answer from: whois.ripe.net

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% Information related to '2a02:2378::/32'

% Abuse contact for '2a02:2378::/32' is 'abuse@kyivstar.net'

inet6num:       2a02:2378::/32
netname:        UA-KYIVSTAR-20100903
country:        UA
org:            ORG-KG8-RIPE
admin-c:        KSUA-RIPE
tech-c:         KSUA-RIPE
status:         ALLOCATED-BY-RIR
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         KYIVSTAR-MNT
mnt-lower:      KYIVSTAR-MNT
mnt-routes:     KYIVSTAR-MNT
created:        2010-09-03T09:59:27Z
last-modified:  2022-11-24T13:51:18Z
source:         RIPE

organisation:   ORG-KG8-RIPE
org-name:       "Kyivstar" PJSC
country:        UA
org-type:       LIR
address:        Degtyarevskaya 53
address:        03113
address:        Kiev
address:        UKRAINE
phone:          +380 67 2090070
fax-no:         +380 67 2219251
abuse-c:        AR17437-RIPE
admin-c:        AEL17-RIPE
admin-c:        EB14332-RIPE
admin-c:        KSUA-RIPE
admin-c:        NP1533-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         KYIVSTAR-MNT
mnt-ref:        KYIVSTAR-MNT
mnt-by:         RIPE-NCC-HM-MNT
created:        2006-01-19T11:31:37Z
last-modified:  2023-02-23T14:03:21Z
source:         RIPE # Filtered

role:           Kyivstar PJSC
address:        Degtyarevskaya, 53
address:        Kiev, Ukraine
admin-c:        AEL17-RIPE
admin-c:        EB14332-RIPE
tech-c:         NP1533-RIPE
tech-c:         EB14332-RIPE
tech-c:         AEL17-RIPE
nic-hdl:        KSUA-RIPE
remarks:        Please send all abuse reports here:
abuse-mailbox:  abuse@kyivstar.net
mnt-by:         KYIVSTAR-MNT
created:        2003-05-19T14:48:31Z
last-modified:  2023-02-23T14:09:33Z
source:         RIPE # Filtered

% Information related to '2a02:2378::/32AS15895'

route6:         2a02:2378::/32
descr:          Kyivstar GSM, Kiev, Ukraine
origin:         AS15895
mnt-by:         KYIVSTAR-MNT
created:        2010-09-06T08:00:33Z
last-modified:  2010-09-06T08:00:33Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.114 (SHETLAND)

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