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

% This is the AfriNIC Whois server.
% The AFRINIC whois database is subject to  the following terms of Use. See https://afrinic.net/whois/terms

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to '102.52.0.0 - 102.55.255.255'

% No abuse contact registered for 102.52.0.0 - 102.55.255.255

inetnum:        102.52.0.0 - 102.55.255.255
netname:        Casa_Marrakech_4G_MarocTelecom
descr:          PS CASA Marrakech Maroc Telecom
country:        MA
admin-c:        SMT1-AFRINIC
tech-c:         DMT1-AFRINIC
status:         ASSIGNED PA
mnt-by:         ONPT-MNT
source:         AFRINIC # Filtered
parent:         102.48.0.0 - 102.55.255.255

person:         DEMPFS Maroc Telecom
address:        Division Exploitation et maintenance des PFS
address:        MAROC TELECOM
address:        Avenue de France AGDAL
address:        Immeuble DR Rabat
phone:          tel:+212-37686318
nic-hdl:        DMT1-AFRINIC
mnt-by:         GENERATED-59UQAQ1UAZKQWKK5GWNQRJ9VGMHDFDGD-MNT
source:         AFRINIC # Filtered

person:         SEPFS Maroc Telecom
nic-hdl:        SMT1-AFRINIC
address:        Service Exploitation des PFS
address:        MAROC TELECOM
address:        Avenue Hay Annakhil Riad
address:        rabat
address:        Morocco
phone:          tel:+212-37284319
phone:          tel:+212-37284314
mnt-by:         GENERATED-QKJHRQGRJU8KJEZGF62S2JCUXLD0D81A-MNT
source:         AFRINIC # Filtered

% Information related to '102.48.0.0/13AS36903'

route:          102.48.0.0/13
descr:          route object
origin:         AS36903
mnt-by:         ONPT-MNT
source:         AFRINIC # Filtered

% Information related to '102.48.0.0/13AS6713'

route:          102.48.0.0/13
descr:          route object
origin:         AS6713
mnt-by:         ONPT-MNT
source:         AFRINIC # Filtered

Search for
IP address lookups			Miscellaneous queries
-l	1st level less specific		-i	Inverse attributes	None admin-c admin-c,tech-c,zone-c author cross-mnt cross-nfy local-as mbrs-by-ref member-of mnt-by mnt-lower mnt-nfy mnt-routes notify nserver origin person referral-by rev-srv sub-dom tech-c upd-to zone-c
-L	All less specific		-T	Object types	All as-block as-set aut-num domain filter-set inet-rtr inet6num inetnum irt key-cert mntner peering-set person role route route-set rtr-set
-m	1st level more specific
-M	All more specific		Query hints Include "AS" in front of an AS number. Example: AS4808 Include "-t" (template only) or "-v" (template and description) in front of an object name to view the template Example: -t inetnum
-x	Exact match only
-d	Associated reverse domain