/ip firewall nat
add action=src-nat chain=srcnat comment=“nat for office” disabled=no out-interface=vlan2 src-address=192.168.243.0/24 to-addresses=
80.234.74.128-80.234.74.255
Work fine, but ICQ not connect .
If use one IP address to-addresses=80.234.74.128 - all fine .