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

% [whois.apnic.net]
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% Information related to '61.56.0.0 - 61.56.15.255'

% Abuse contact for '61.56.0.0 - 61.56.15.255' is 'hostmaster@twnic.tw'

inetnum:        61.56.0.0 - 61.56.15.255
netname:        GSN-NET
descr:          Government Service Network (GSN)
descr:          No.21-3, Sec. 1, Xinyi Rd., Zhongzheng Dist., Taipei City 100, Taiwan
descr:          Taipei Taiwan 100
country:        TW
admin-c:        GN75-AP
tech-c:         GN75-AP
abuse-c:        AT939-AP
status:         ALLOCATED PORTABLE
mnt-by:         MAINT-TW-TWNIC
mnt-irt:        IRT-TWNIC-AP
last-modified:  2021-11-04T00:49:59Z
source:         APNIC

irt:            IRT-TWNIC-AP
address:        3F., No. 123, Sec. 4, Bade Rd., Songshan Dist., Taipei 105, Taiwan
e-mail:         hostmaster@twnic.tw
abuse-mailbox:  hostmaster@twnic.tw
admin-c:        TWA2-AP
tech-c:         TWA2-AP
auth:           # Filtered
remarks:        Please note that TWNIC is not an ISP and is not empowered
remarks:        to investigate complaints of network abuse.
remarks:        hostmaster@twnic.tw is invalid
mnt-by:         MAINT-TW-TWNIC
last-modified:  2025-02-21T07:05:51Z
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 is invalid
abuse-mailbox:  hostmaster@twnic.tw
mnt-by:         APNIC-ABUSE
last-modified:  2025-02-21T07:06:08Z
source:         APNIC

person:         GSN Network-Adm
nic-hdl:        GN75-AP
e-mail:         egov@service.gov.tw
address:        Data-Bldg. 11F, No. 21, Sec. 21, Hsin-Yi Rd.,
address:        Taipei, 100, R.O.C
phone:          +886-2-2344-2836
phone:          +886-2-2322-3442
phone:          +886-2-2344-3007
fax-no:         +886-2-2344-4724
country:        TW
mnt-by:         MAINT-TW-TWNIC
last-modified:  2017-06-06T07:33:01Z
source:         APNIC

% Information related to '61.56.0.0 - 61.56.15.255'

inetnum:        61.56.0.0 - 61.56.15.255
netname:        GSN-NET
descr:          Government Service Network (GSN)
descr:          No. 21, Sec. 1, Xinyi Rd., Zhongzheng Dist., Taipei City 100012 , Taiwan (R.O.C.)
descr:          Taipei Taiwan
country:        TW
admin-c:        GN78-TW
tech-c:         GN78-TW
mnt-by:         MAINT-TW-TWNIC
changed:        egov@service.gov.tw 20220928
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:         GSN Network-Adm
address:        CHTD, Chunghwa Telecom Co., Ltd.
address:        Data-Bldg. 11F, No. 21, Sec. 21, Hsin-Yi Rd.,
address:        Taipei Taiwan
country:        TW
phone:          +886-2-2344-2836
fax-no:         +886-2-2344-4724
e-mail:         egov@service.gov.tw
nic-hdl:        GN78-TW
changed:        hostmaster@twnic.net 20150511
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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