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

% [whois.apnic.net]
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% Information related to '2404:c0::/32'

% No abuse contact registered for 2404:c0::/32

inet6num:       2404:c0::/32
netname:        TELKOMSEL-IDNIC-ID-20060410
descr:          PT. Telekomunikasi Selular (Telkomsel) Indonesia
descr:          Cellular and GPRS Network Provider
country:        ID
admin-c:        AP156-AP
tech-c:         AP156-AP
remarks:        Send Spam & Abuse Reports to : abuse@telkomsel.co.id
status:         ALLOCATED PORTABLE
mnt-by:         MNT-APJII-ID
mnt-lower:      MAINT-ID-TELKOMSEL
last-modified:  2008-09-04T06:49:19Z
source:         APNIC

person:         Arief Purwanto
nic-hdl:        AP156-AP
e-mail:         hostmaster@telkomsel.co.id
address:        PT. Telkomsel, Wisma Mulia
address:        Jl. Gatot Subroto 42
phone:          +62-21-5240811
fax-no:         +62-21-5272977
country:        ID
mnt-by:         MAINT-ID-TELKOMSEL
last-modified:  2009-01-09T09:15:48Z
source:         APNIC

% Information related to '2404:C0::/32AS23693'

route6:         2404:C0::/32
descr:          PT. Telekomunikasi Selular (Telkomsel) Indonesia
descr:          ISP
descr:          Jakarta
origin:         AS23693
mnt-lower:      MAINT-TELKOMSELNET-ID
mnt-routes:     MAINT-TELKOMSELNET-ID
mnt-by:         MAINT-TELKOMSELNET-ID
last-modified:  2012-08-31T04:12:04Z
source:         APNIC

% Information related to '2404:c0::/32'

inet6num:       2404:c0::/32
netname:        TELKOMSEL-IDNIC-ID-20060410
descr:          PT. Telekomunikasi Selular (Telkomsel) Indonesia
descr:          Cellular and GPRS Network Provider
country:        ID
admin-c:        AP156-AP
tech-c:         AP156-AP
remarks:        Send Spam & Abuse Reports to : abuse@telkomsel.co.id
status:         ALLOCATED PORTABLE
mnt-by:         MNT-APJII-ID
mnt-lower:      MAINT-ID-TELKOMSEL
last-modified:  2008-09-04T06:49:19Z
source:         IDNIC

person:         Arief Purwanto
nic-hdl:        AP156-AP
e-mail:         hostmaster@telkomsel.co.id
address:        PT. Telkomsel, Wisma Mulia
address:        Jl. Gatot Subroto 42
phone:          +62-21-5240811
fax-no:         +62-21-5272977
country:        ID
mnt-by:         MAINT-ID-TELKOMSEL
last-modified:  2009-01-09T09:15:48Z
source:         IDNIC

% Information related to '2404:c0::/32AS23693'

route6:         2404:c0::/32
descr:          PT. Telekomunikasi Selular (Telkomsel) Indonesia
descr:          ISP
descr:          Jakarta
origin:         AS23693
mnt-lower:      MAINT-TELKOMSELNET-ID
mnt-routes:     MAINT-TELKOMSELNET-ID
mnt-by:         MAINT-TELKOMSELNET-ID
last-modified:  2012-08-31T04:12:04Z
source:         IDNIC

% This query was served by the APNIC Whois Service version 1.88.25 (WHOIS-AU1)

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