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

% [whois.apnic.net]
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% Information related to '203.94.88.0 - 203.94.88.255'

% Abuse contact for '203.94.88.0 - 203.94.88.255' is 'abuse@slt.lk'

inetnum:        203.94.88.0 - 203.94.88.255
netname:        CUS-LAN-SLT-LK
descr:          Leased Line Customer LAN
descr:          Sri Lanka Telecom, Lotus Rd, Colombo-01
country:        LK
admin-c:        AE70-AP
tech-c:         AE70-AP
abuse-c:        AL1644-AP
status:         ALLOCATED NON-PORTABLE
mnt-by:         MAINT-LK-ABEYSIN
mnt-irt:        IRT-LKTELECOM-LK
last-modified:  2021-01-12T03:04:15Z
source:         APNIC

irt:            IRT-LKTELECOM-LK
address:        Internet Division
address:        7th floor
address:        OTS Building
address:        Sri Lanka Telecom
e-mail:         abuse@slt.lk
abuse-mailbox:  abuse@slt.lk
admin-c:        AE70-AP
tech-c:         AE70-AP
auth:           # Filtered
remarks:        abuse@slt.lk was validated on 2025-10-30
mnt-by:         MAINT-LK-ASE
last-modified:  2025-11-17T23:08:37Z
source:         APNIC

role:           ABUSE LKTELECOMLK
country:        ZZ
address:        Internet Division
address:        7th floor
address:        OTS Building
address:        Sri Lanka Telecom
phone:          +000000000
e-mail:         abuse@slt.lk
admin-c:        AE70-AP
tech-c:         AE70-AP
nic-hdl:        AL1644-AP
remarks:        Generated from irt object IRT-LKTELECOM-LK
remarks:        abuse@slt.lk was validated on 2025-10-30
abuse-mailbox:  abuse@slt.lk
mnt-by:         APNIC-ABUSE
last-modified:  2025-10-30T05:58:03Z
source:         APNIC

person:         Asela Eranda
nic-hdl:        AE70-AP
e-mail:         aselaeranda@slt.com.lk
address:        Internet Division
address:        7th floor
address:        OTS Building
address:        Sri Lanka Telecom
address:        Lotus Road
address:        Colombo-1
phone:          +94-11-2021913
fax-no:         +94-11-2322622
country:        LK
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-
remarks:        Please send all IP abuse complaints to abuse@slt.lk
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-
mnt-by:         MAINT-LK-ASE
last-modified:  2009-09-25T07:36:05Z
source:         APNIC

% Information related to '203.94.64.0/18AS9329'

route:          203.94.64.0/18
origin:         AS9329
descr:          Sri Lanka Telecom Ltd
                Lotus Road
                OTS Building.  7 / F
                ISP Opeartions Section
mnt-by:         MNT-SLT-LK
last-modified:  2019-10-17T07:52:42Z
source:         APNIC

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