% 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 '213.154.72.112 - 213.154.72.127'

% No abuse contact registered for 213.154.72.112 - 213.154.72.127

inetnum:        213.154.72.112 - 213.154.72.127
netname:        Sentel
descr:          Sentel
country:        sn
admin-c:        SBT7-AFRINIC
tech-c:         SBT7-AFRINIC
status:         ASSIGNED PA
remarks:        data has been transferred from RIPE Whois Database 20050221
mnt-by:         SMM-MNT
source:         AFRINIC # Filtered
parent:         213.154.64.0 - 213.154.95.255

person:         Seydou Bocar THIAM
nic-hdl:        SBT7-AFRINIC
address:        SOCIETE NATIONALES DES TELECOMMUNICATIONS
address:        Direction des Reseaux
address:        6 Rue Wagane DIOUF
address:        BP 69 Dakar
address:        SENEGAL
address:        Dakar
address:        Senegal
phone:          tel:+221-33-839-25-15
fax-no:         tel:+221-8392236
remarks:        data has been transferred from RIPE Whois Database 20050221
mnt-by:         GENERATED-LX3B1D5DJLMYM97SLFRDLDZTAFVDSTSO-MNT
source:         AFRINIC # Filtered

% Information related to '213.154.72.0/21AS8346'

route:          213.154.72.0/21
descr:          Route Object
origin:         AS8346
mnt-lower:      SMM-MNT
mnt-by:         AFRINIC-HM-MNT
source:         AFRINIC # Filtered