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

% [whois.apnic.net]
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% Information related to 'MAINT-ID-DELTA'

mntner:         MAINT-ID-DELTA
upd-to:         hostmaster@idnic.net
auth:           # Filtered
descr:          PT Delta Nusantara Networks
descr:          Internet Service Provider
descr:          Jakarta
admin-c:        RD234-AP
tech-c:         RD234-AP
country:        ID
remarks:        mnt-nfy:      hostmaster@idnic.net
referral-by:    APNIC-HM
mnt-by:         MAINT-ID-DELTA
last-modified:  2018-05-31T12:10:57Z
source:         APNIC

person:         Romie Djapri
nic-hdl:        RD234-AP
e-mail:         rmdjapri@delta.net.id
address:        Gd Graha Kencana Lantai M Unit J,
address:        Jl. Raya Perjuangan No 88, Kebon Jeruk
phone:          +62-21-5679774
fax-no:         +62-21-5679774
country:        ID
mnt-by:         MAINT-ID-DELTA
last-modified:  2008-09-04T07:46:26Z
source:         APNIC

% Information related to 'MAINT-ID-DELTA'

mntner:         MAINT-ID-DELTA
upd-to:         hostmaster@idnic.net
descr:          PT Delta Nusantara Networks
descr:          Internet Service Provider
descr:          Jakarta
auth:           # Filtered
admin-c:        RD234-AP
tech-c:         RD234-AP
country:        ID
remarks:        mnt-nfy:      hostmaster@idnic.net
referral-by:    MNT-APJII-ID
mnt-by:         MAINT-ID-DELTA
last-modified:  2018-10-19T07:54:27Z
source:         IDNIC

person:         Romie Djapri
nic-hdl:        RD234-AP
e-mail:         rmdjapri@delta.net.id
address:        Gd Graha Kencana Lantai M Unit J,
address:        Jl. Raya Perjuangan No 88, Kebon Jeruk
phone:          +62-21-5679774
fax-no:         +62-21-5679774
country:        ID
mnt-by:         MAINT-ID-DELTA
last-modified:  2008-09-04T07:46:26Z
source:         IDNIC

% This query was served by the APNIC Whois Service version 1.88.25 (WHOIS-AU2)

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