% 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 '81.10.76.0 - 81.10.83.255'

% No abuse contact registered for 81.10.76.0 - 81.10.83.255

inetnum:        81.10.76.0 - 81.10.83.255
netname:        All-16
descr:          TE Data
country:        EG
admin-c:        TDCR1-AFRINIC
tech-c:         TDCR2-AFRINIC
status:         ASSIGNED PA
mnt-by:         GEGA-MNT
source:         AFRINIC # Filtered
parent:         81.10.0.0 - 81.10.127.255

role:           TE Data Contact Role
address:        TE Data, Smart Village, Building A11-B90, Alex Desert Road,
address:        28 Km, 6th October 12577, Giza, Egypt
phone:          tel:+20-2-33320700
fax-no:         tel:+20-2-33320800
admin-c:        MH7-AFRINIC
tech-c:         TDCR2-AFRINIC
nic-hdl:        TDCR1-AFRINIC
abuse-mailbox:  abuse@te.eg
mnt-by:         TE-Data-MNT
source:         AFRINIC # Filtered

role:           TE Data Contact Role-2
address:        TE Data, Smart Village, Building A11-B90, Alex Desert Road,
address:        28 Km, 6th October 12577, Giza, Egypt
phone:          tel:+20-2-33320700
fax-no:         tel:+20-2-33320800
admin-c:        MH7-AFRINIC
tech-c:         TDCR1-AFRINIC
nic-hdl:        TDCR2-AFRINIC
abuse-mailbox:  abuse@te.eg
mnt-by:         TE-Data-MNT
source:         AFRINIC # Filtered

% Information related to '81.10.76.0/24AS8452'

route:          81.10.76.0/24
descr:          Telecom-Egypt Data
origin:         AS8452
mnt-lower:      GEGA-MNT
mnt-by:         AFRINIC-HM-MNT
source:         AFRINIC # Filtered