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

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% Note: this output has been filtered.
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% Information related to '5.156.0.0 - 5.156.127.255'

% Abuse contact for '5.156.0.0 - 5.156.127.255' is 'registry@stc.com.sa'

inetnum:        5.156.0.0 - 5.156.127.255
netname:        STC_MBB
country:        SA
admin-c:        STCR1-RIPE
tech-c:         STCR2-RIPE
status:         ASSIGNED PA
mnt-by:         SAUDINET-STC
created:        2023-07-24T06:58:03Z
last-modified:  2023-07-24T06:58:03Z
source:         RIPE

role:           Saudi Telecom Co. Registry Admin-C contact
address:        STC complex, murslat, Riyadh
address:        P.O.Box: 295997
address:        Riyadh 11351
address:        Saudi Arabia
phone:          +966-11-4525020
fax-no:         +966114433639
abuse-mailbox:  registry@stc.com.sa
admin-c:        AR5383-RIPE
tech-c:         AR5383-RIPE
remarks:        For any Abuse or Spamming please send your requests directly to registry@stc.com.sa
mnt-by:         SAUDINET-STC
nic-hdl:        STCR1-RIPE
created:        2003-12-29T20:33:34Z
last-modified:  2015-11-04T06:35:37Z
source:         RIPE # Filtered

role:           Saudi Telecom Co. Registry Tech-C contact
address:        Murslat Campus, Riyadh
address:        P.O.Box: 295997
address:        Riyadh 11351
address:        Saudi Arabia
phone:          +966114525020
fax-no:         +966114433639
abuse-mailbox:  registry@stc.com.sa
admin-c:        STCR1-RIPE
tech-c:         STCR1-RIPE
remarks:        For any Abuse or Spamming please send your requests directly to registry@stc.com.sa
mnt-by:         SAUDINET-STC
nic-hdl:        STCR2-RIPE
created:        2003-12-29T20:56:08Z
last-modified:  2015-11-04T06:37:15Z
source:         RIPE # Filtered

% Information related to '5.156.3.0/24AS25019'

route:          5.156.3.0/24
descr:          SAUDINET-STC
origin:         AS25019
mnt-by:         saudinet-stc
created:        2015-01-28T05:23:44Z
last-modified:  2015-01-28T05:23:44Z
source:         RIPE

% Information related to '5.156.3.0/24AS39891'

route:          5.156.3.0/24
descr:          SAUDINET-STC
origin:         AS39891
mnt-by:         saudinet-stc
created:        2015-01-28T06:24:40Z
last-modified:  2015-01-28T06:24:40Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.114 (DEXTER)

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