After a run on Hulu thanks to Bandai Visual back in 2015 that ended up purged along the way as Hulu changed gears, Tubi TV added the subtitled version to their service with the Geneshaft anime that Bandai Entertainment originally released. It still resides there but now the English dubbed edition has been added to the service which you can find here.
The series was an original work from Kazuki Akane that was produced by Satelite and Studio Gazelle back in the spring of 2001. It featured some relatively early Maaya Sakamoto work and had original character designs done by Yasushi Yamaguchi.
The show was dubbed by Bandai Entertainment, which was produced by PCB Productions for them.
Plot concept: In the latter half of the 21st century, mankind and the Earth are on the verge of destruction because of men rash actions. A choice was made to preserve the species and the world: mankind would regulate itself using genetic engineering. The ideal ratio of 1 man for every 9 women was established. It is now the middle of the 23rd century. People are artificially engineered according to the skills deemed necessary for humanity, and each person has a specific gene type. Above this peaceful Earth floats a gigantic ring of unknown origin. This ring, seemingly doing nothing, is in reality relaying information about humanity back to an alien force. A team of five girls with super abilities is tasked with saving the Earth from this alien threat.