% 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 '212.104.224.0 - 212.104.239.255'

% Abuse contact for '212.104.224.0 - 212.104.239.255' is 'abusereport@mobitel.lk'

inetnum:        212.104.224.0 - 212.104.239.255
netname:        MOBITEL-LK
descr:          Mobitel Pvt Ltd
country:        LK
org:            ORG-MPL1-AP
admin-c:        SPMP1-AP
tech-c:         SPMP1-AP
abuse-c:        AM2587-AP
status:         ALLOCATED PORTABLE
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-lower:      MAINT-MOBITEL-LK
mnt-routes:     MAINT-MOBITEL-LK
mnt-irt:        IRT-MOBITEL-LK
last-modified:  2020-07-07T05:08:48Z
source:         APNIC

irt:            IRT-MOBITEL-LK
address:        IS Group, Mobitel (pvt) Ltd
address:        108, W A D Ramanayake Mawatha,
address:        Colombo 02,
address:        Sri Lanka.
e-mail:         abusereport@mobitel.lk
abuse-mailbox:  abusereport@mobitel.lk
admin-c:        SPMP1-AP
tech-c:         SPMP1-AP
auth:           # Filtered
remarks:        abusereport@mobitel.lk was validated on 2025-12-23
mnt-by:         MAINT-MOBITEL-LK
last-modified:  2025-12-23T13:16:53Z
source:         APNIC

organisation:   ORG-MPL1-AP
org-name:       Mobitel Pvt Ltd
org-type:       LIR
country:        LK
address:        Mobitel Pvt Ltd, No.148/15, Lesley Ranagala Mawatha
address:        Baseline Road, Colombo 08
address:        Sri Lanka
phone:          +94-712719968
fax-no:         +94-11-4713558
e-mail:         netinfo@mobitel.lk
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2025-10-23T12:55:51Z
source:         APNIC

role:           ABUSE MOBITELLK
country:        ZZ
address:        IS Group, Mobitel (pvt) Ltd
address:        108, W A D Ramanayake Mawatha,
address:        Colombo 02,
address:        Sri Lanka.
phone:          +000000000
e-mail:         abusereport@mobitel.lk
admin-c:        SPMP1-AP
tech-c:         SPMP1-AP
nic-hdl:        AM2587-AP
remarks:        Generated from irt object IRT-MOBITEL-LK
remarks:        abusereport@mobitel.lk was validated on 2025-12-23
abuse-mailbox:  abusereport@mobitel.lk
mnt-by:         APNIC-ABUSE
last-modified:  2025-12-23T13:17:10Z
source:         APNIC

role:           Saman Perera MOBITEL Pvt Ltd
address:        IS Group, Mobitel, 108, W A D Ramanayake Mw, Colombo 02, Sri Lanka
country:        LK
phone:          +94 71 2719998
fax-no:         +94 11 4713558
e-mail:         netinfo@mobitel.lk
admin-c:        SPMP1-AP
tech-c:         SPMP1-AP
nic-hdl:        SPMP1-AP
mnt-by:         MAINT-MOBITEL-LK
last-modified:  2008-09-04T07:54:27Z
source:         APNIC

% Information related to '212.104.231.0/24AS45356'

route:          212.104.231.0/24
origin:         AS45356
descr:          Mobitel Pvt Ltd
                IS Group, No:108, W A D Ramanayake Mawatha,
mnt-by:         MAINT-MOBITEL-LK
last-modified:  2019-10-09T07:52:24Z
source:         APNIC

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