- SELECT COUNT(DISTINCT(geoname_id)) FROM city_blocks WHERE geoname_id != 0 AND network_start_ip REGEXP '::ffff:[0-9]+.[0-9]+.[0-9]+.[0-9]+$';
+ SELECT COUNT(DISTINCT(geoname_id)) INTO v_total FROM city_blocks WHERE geoname_id != 0 AND network_start_ip REGEXP '::ffff:[0-9]+.[0-9]+.[0-9]+.[0-9]+$';