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

% [whois.apnic.net]
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% Information related to '45.64.128.1 - 45.64.128.238'

% Abuse contact for '45.64.128.1 - 45.64.128.238' is 'noc@sparkstation.net'

inetnum:        45.64.128.1 - 45.64.128.238
netname:        Sparkstation-SG
descr:          10 Science Park Road 02-09
descr:          abuse/admin: abuse@sparkstation.net
country:        SG
admin-c:        SPL4-AP
tech-c:         SPL4-AP
abuse-c:        SPL4-AP
status:         ALLOCATED NON-PORTABLE
mnt-by:         MAINT-SPARKSTATION-SG
mnt-irt:        IRT-SPARKSTATION-SG
last-modified:  2021-08-17T06:22:38Z
source:         APNIC

irt:            IRT-SPARKSTATION-SG
address:        10 Science Park Road,
e-mail:         noc@sparkstation.net
abuse-mailbox:  noc@sparkstation.net
admin-c:        SPL4-AP
tech-c:         SPL4-AP
auth:           # Filtered
remarks:        noc@sparkstation.net was validated on 2025-10-21
mnt-by:         MAINT-SPARKSTATION-SG
last-modified:  2025-11-18T00:26:55Z
source:         APNIC

role:           SPARKSTATION PTE LTD
address:        10 Science Park Road, #02-09 The Alpha
country:        SG
phone:          +65 91002615
fax-no:         +65 68228930
e-mail:         noc@sparkstation.net
admin-c:        SPL4-AP
tech-c:         SPL4-AP
nic-hdl:        SPL4-AP
mnt-by:         MAINT-SPARKSTATION-SG
last-modified:  2020-06-08T05:09:24Z
abuse-mailbox:  abuse@sparkstation.net
remarks:        Spam,security, Abuse issues - abuse@sparkstation.net
remarks:        Routing and Network issues - noc@sparkstation.net
source:         APNIC

% Information related to '45.64.128.0/24AS45634'

route:          45.64.128.0/24
descr:          SPARKSTATION-SG
origin:         AS45634
mnt-by:         MAINT-SPARKSTATION-SG
last-modified:  2014-09-24T10:03:27Z
source:         APNIC

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