This informations can be listed from mysql database.
Procedure is:
use admin_site;
select P. ext, P.name, U.mac from pbxware_users_autoprov as U LEFT JOIN XXX_pbxware as P ON P.id = U.extid WHERE U.server='X';
List this for all tenants,
#!/bin/bash
cd /opt/pbxware
for T in $(find pw/etc/asterisk/ -maxdepth 1 -name '[0-9]*' -type d | sort -n); do
T=$(basename $T)
Q="
SELECT $T AS '#tenant', t1.ext,left(substring(t1.data, instr(t1.data, 'mac')),17) MAC,t2.name AS UAD
from admin_site.${T}_pbxware AS t1
JOIN admin_site.pbxware_devices AS t2 ON t1.ua = t2.id
WHERE t1.ref = 'sip:ext' and t2.name IS NOT NULL"
sh/mysql -B -e "$Q" | sed "s/\\t/,/g"
done