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

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to '2407:6400::/32'

% Abuse contact for '2407:6400::/32' is 'abuse@mobinet.mn'

inet6num:       2407:6400::/32
netname:        MOBINET-MN
descr:          Mobinet LLC
descr:          2nd floor EXE Plaza
descr:          Tumurchin Street Chingeltei district
descr:          P.O -38 Box - 632
country:        MN
org:            ORG-ML21-AP
admin-c:        TM1206-AP
tech-c:         TM1206-AP
abuse-c:        AM2533-AP
status:         ALLOCATED PORTABLE
mnt-by:         APNIC-HM
mnt-lower:      MAINT-MN-MOBINET
mnt-routes:     MAINT-MN-MOBINET
mnt-irt:        IRT-MOBINET-MN
last-modified:  2023-11-15T06:33:02Z
source:         APNIC

irt:            IRT-MOBINET-MN
address:        MPM Office
address:        UNESCO street - 28, Ulaanbaatar Mongolia
e-mail:         abuse@mobinet.mn
abuse-mailbox:  abuse@mobinet.mn
admin-c:        TM1206-AP
tech-c:         TM1206-AP
auth:           # Filtered
remarks:        abuse@mobinet.mn
remarks:        abuse@mobinet.mn is invalid
mnt-by:         MAINT-MOBINET-MN
last-modified:  2025-12-10T13:07:44Z
source:         APNIC

organisation:   ORG-ML21-AP
org-name:       Mobinet LLC
org-type:       LIR
country:        MN
address:        MPM complex
address:        UNESCO street - 28
address:        1st khoroo
address:        Sukhbaatar district
phone:          +976-75759944
fax-no:         +976-11-310411
e-mail:         info@mobinet.mn
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2024-08-09T12:58:10Z
source:         APNIC

role:           ABUSE MOBINETMN
country:        ZZ
address:        MPM Office
address:        UNESCO street - 28, Ulaanbaatar Mongolia
phone:          +000000000
e-mail:         abuse@mobinet.mn
admin-c:        TM1206-AP
tech-c:         TM1206-AP
nic-hdl:        AM2533-AP
remarks:        Generated from irt object IRT-MOBINET-MN
remarks:        abuse@mobinet.mn is invalid
abuse-mailbox:  abuse@mobinet.mn
mnt-by:         APNIC-ABUSE
last-modified:  2025-12-10T13:08:24Z
source:         APNIC

role:           Technical Manager
address:        Mobinet ISP, Mobicom Corporation
country:        MN
phone:          +976-94111053
e-mail:         munkherdene@mobinet.mn
admin-c:        TM1206-AP
tech-c:         TM1206-AP
nic-hdl:        TM1206-AP
notify:         munkherdene@mobinet.mn
mnt-by:         MAINT-MN-MOBINET
last-modified:  2023-11-15T06:32:37Z
source:         APNIC

% Information related to '2407:6400:c000::/36AS9484'

route6:         2407:6400:c000::/36
descr:          Mobinet_ISP_ipv6
origin:         AS9484
mnt-by:         MAINT-MN-MOBINET
last-modified:  2021-06-29T02:52:41Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.36-SNAPSHOT (WHOIS-AU5)