% 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 '203.91.117.0 - 203.91.117.255'

% Abuse contact for '203.91.117.0 - 203.91.117.255' is 'damjinkhuu@gmobile.mn'

inetnum:        203.91.117.0 - 203.91.117.255
netname:        Gmobile
descr:          G-Mobile, Baga-Toiruu 3/9, Chingeltei district-1,
country:        MN
admin-c:        TG154-AP
tech-c:         TG154-AP
abuse-c:        AG812-AP
status:         ALLOCATED NON-PORTABLE
mnt-by:         MAINT-MN-G-MOBILE
mnt-irt:        IRT-GMOBILE-MN
last-modified:  2021-01-20T13:28:49Z
source:         APNIC

irt:            IRT-GMOBILE-MN
address:        G-Mobile Corporation,
address:        Chingeltei district 1st khoroo, Baga toiruu - 3/9
address:        Ulaanbaatar, Mongolia
e-mail:         damjinkhuu@gmobile.mn
abuse-mailbox:  damjinkhuu@gmobile.mn
admin-c:        DD911-AP
tech-c:         DD911-AP
auth:           # Filtered
remarks:        damjinkhuu@gmobile.mn was validated on 2025-10-28
mnt-by:         MAINT-MN-G-MOBILE
last-modified:  2025-11-18T00:26:25Z
source:         APNIC

role:           ABUSE GMOBILEMN
country:        ZZ
address:        G-Mobile Corporation,
address:        Chingeltei district 1st khoroo, Baga toiruu - 3/9
address:        Ulaanbaatar, Mongolia
phone:          +000000000
e-mail:         damjinkhuu@gmobile.mn
admin-c:        DD911-AP
tech-c:         DD911-AP
nic-hdl:        AG812-AP
remarks:        Generated from irt object IRT-GMOBILE-MN
remarks:        damjinkhuu@gmobile.mn was validated on 2025-10-28
abuse-mailbox:  damjinkhuu@gmobile.mn
mnt-by:         APNIC-ABUSE
last-modified:  2025-10-28T03:54:04Z
source:         APNIC

person:         Tulga Gandavaa
nic-hdl:        TG154-AP
e-mail:         l.tulga@gmobile.mn
address:        G-Mobile Corporation,
address:        Chingeltei district 1st khoroo, Baga toiruu - 3/9
address:        Ulaanbaatar, Mongolia
phone:          +976-98101111
fax-no:         +976-11-311195
country:        MN
mnt-by:         MAINT-MN-G-MOBILE
last-modified:  2016-06-22T04:31:25Z
source:         APNIC

% Information related to '203.91.117.0/24AS24559'

route:          203.91.117.0/24
origin:         AS24559
descr:          G-Mobile Co.,Ltd
                G-Mobile Building, Baga toiruu 3/9
                Chingeltei District
mnt-by:         MAINT-MN-WIRELESSCOM
last-modified:  2019-09-20T10:29:32Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-AU4)