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

% [whois.apnic.net]
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% Information related to '61.57.224.0 - 61.57.239.255'

% Abuse contact for '61.57.224.0 - 61.57.239.255' is 'beckyhsu@pic.net.tw'

inetnum:        61.57.224.0 - 61.57.239.255
netname:        PIINET-TW
descr:          President Information Corp.B2,NO.8,TUNG HSING RD., TAIPEI , TAIWAN, 235
country:        TW
admin-c:        SC382-AP
tech-c:         SC382-AP
abuse-c:        AT939-AP
status:         ALLOCATED PORTABLE
mnt-by:         MAINT-TW-TWNIC
mnt-irt:        IRT-PIINET-TW
last-modified:  2025-11-07T02:39:49Z
source:         APNIC

irt:            IRT-PIINET-TW
address:        President Information Corp.
address:        B2,NO.8,TUNG HSING RD., TAIPEI , TAIWAN, 235
e-mail:         beckyhsu@pic.net.tw
abuse-mailbox:  beckyhsu@pic.net.tw
admin-c:        SC382-AP
tech-c:         SC382-AP
auth:           # Filtered
mnt-by:         MAINT-TW-TWNIC
last-modified:  2025-11-06T07:45:41Z
source:         APNIC

role:           ABUSE TWNICAP
country:        ZZ
address:        3F., No. 123, Sec. 4, Bade Rd., Songshan Dist., Taipei 105, Taiwan
phone:          +000000000
e-mail:         hostmaster@twnic.tw
admin-c:        TWA2-AP
tech-c:         TWA2-AP
nic-hdl:        AT939-AP
remarks:        Generated from irt object IRT-TWNIC-AP
remarks:        hostmaster@twnic.tw was validated on 2025-05-23
abuse-mailbox:  hostmaster@twnic.tw
mnt-by:         APNIC-ABUSE
last-modified:  2025-05-23T00:02:10Z
source:         APNIC

person:         Daniel LI
address:        President Information Corp.B2,NO.8,TUNG HSING RD., TAIPEI , TAIWAN, 235
country:        TW
phone:          +886 2 2748 8366 ext. 3915
fax-no:         +886 2 2748 8104
e-mail:         daniel@piinet.net
nic-hdl:        SC382-AP
mnt-by:         MAINT-TW-TWNIC
last-modified:  2008-09-04T07:29:18Z
source:         APNIC

% Information related to '61.57.228.0 - 61.57.228.255'

inetnum:        61.57.228.0 - 61.57.228.255
netname:        PIINET-NET
descr:          President Information Corp.
descr:          FL. 8, NO.246 , YANG KUAN Str. NEI-HU
descr:          TAIPEI Taiwan
country:        TW
admin-c:        DY20-TW
tech-c:         DY20-TW
mnt-by:         MAINT-TW-TWNIC
changed:        beckyhsu@pic.net.tw 20020618
status:         ASSIGNED NON-PORTABLE
remarks:        This information has been partially mirrored by APNIC from
remarks:        TWNIC. To obtain more specific information, please use the
remarks:        TWNIC whois server at whois.twnic.net.
source:         TWNIC

person:         David Yu
address:        Piinet Service Co. Ltd
address:        B2, No.8, Dong Hsin Rd., Taipei
address:        Taipei Taiwan
country:        TW
phone:          +886-2-8751-3266 ext. 1120
fax-no:         +886-2-8753-3531
e-mail:         david@piinet.net
nic-hdl:        DY20-TW
changed:        hostmaster@twnic.net 20050204
remarks:        This information has been partially mirrored by APNIC from
remarks:        TWNIC. To obtain more specific information, please use the
remarks:        TWNIC whois server at whois.twnic.net.
source:         TWNIC

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