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

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to '121.52.0.0 - 121.52.127.255'

% Abuse contact for '121.52.0.0 - 121.52.127.255' is 'abuse@xl.co.id'

inetnum:        121.52.0.0 - 121.52.127.255
netname:        XLNET-ID
descr:          PT. XL Axiata Tbk
descr:          Cellular, GPRS and Internet Service Provider
country:        ID
admin-c:        DM131-AP
tech-c:         BDS6-AP
remarks:        Send Spam & Abuse Reports to : hostmaster@xl.co.id
status:         ALLOCATED PORTABLE
mnt-by:         MNT-APJII-ID
mnt-lower:      MAINT-ID-XLNET
mnt-routes:     MAINT-ID-XLNET
mnt-irt:        IRT-XLNET-ID
last-modified:  2018-10-31T07:32:50Z
source:         APNIC

irt:            IRT-XLNET-ID
address:        PT XL Axiata Tbk
address:        XL Axiata Tower
address:        Jl. H.R. Rasuna Said X5 Kav. 11 - 12
address:        Kuningan Timur, Setiabudi, Jakarta Selatan 12950
e-mail:         abuse@xl.co.id
abuse-mailbox:  abuse@xl.co.id
admin-c:        DM131-AP
tech-c:         BDS6-AP
auth:           # Filtered
mnt-by:         MAINT-ID-XLNET
last-modified:  2018-10-31T07:04:11Z
source:         APNIC

person:         Beny Dwi Setyawan
address:        XL Axiata Tower
address:        Jl. H.R Rasuna Said X5 Kav.11-12
address:        Kuningan Timur Setiabudi Jakarta Selatan 12950
country:        ID
phone:          +62-21-5761881
phone:          +62-21-5761880
e-mail:         hostmaster@xl.co.id
nic-hdl:        BDS6-AP
mnt-by:         MAINT-ID-XLNET
last-modified:  2019-08-24T03:46:08Z
source:         APNIC

person:         Dwi Mahindra
nic-hdl:        DM131-AP
e-mail:         xldomainregistrant@xl.co.id
address:        Jl. H.R. Rasuna Said X5 Kav. 11 - 12
address:        Kuningan Timur, Setiabudi,
address:        Jakarta Selatan 12950
phone:          +62-21-579-59415
fax-no:         +62-21-579-59184
country:        ID
mnt-by:         MAINT-ID-XLNET
last-modified:  2018-10-31T07:05:27Z
source:         APNIC

% Information related to '121.52.51.0/24AS17885'

route:          121.52.51.0/24
origin:         AS17885
descr:          Indonesia Network Information Center
                APJII - Cyber Building 11th Floor
                Jl. Kuningan Barat No. 8
mnt-by:         MAINT-ID-XLNET
last-modified:  2020-01-03T04:03:11Z
source:         APNIC

% Information related to '121.52.51.88 - 121.52.51.95'

inetnum:        121.52.51.88 - 121.52.51.95
netname:        Traknus-ID
country:        ID
descr:          PT Traktor Nusantara
descr:          Vehicle Company
descr:          Jakarta
admin-c:        DS568-AP
tech-c:         WL677-AP
status:         ASSIGNED NON-PORTABLE
mnt-by:         MAINT-ID-XLNET
last-modified:  2008-09-04T07:21:50Z
source:         IDNIC

person:         Dody Setiawan
nic-hdl:        DS568-AP
e-mail:         dsetiawan@xl.co.id
address:        Jl. Mega Kuningan lot. E4-7 No. 1
address:        Kawasan Mega Kuningan Jakarta 12950
phone:          +62-21-579-59556
fax-no:         +62-21-579-59558
country:        ID
mnt-by:         MAINT-ID-XLNET
last-modified:  2008-09-04T07:46:35Z
source:         IDNIC

person:         Wita Laksono
nic-hdl:        WL677-AP
e-mail:         wlaksono@xl.co.id
address:        Jl. Mega Kuningan lot. E4-7 No. 1
address:        Kawasan Mega Kuningan Jakarta 12950
phone:          +62-21-579-59556
fax-no:         +62-21-579-59558
country:        ID
mnt-by:         MAINT-ID-XLNET
last-modified:  2008-09-04T07:29:18Z
source:         IDNIC

% Information related to '121.52.51.0/24AS17885'

route:          121.52.51.0/24
descr:          XL-AXIATA Tbk GSM
origin:         AS17885
mnt-by:         MAINT-ID-XLNET
last-modified:  2021-05-10T08:47:26Z
source:         IDNIC

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

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