I’d say that sound was more on the side of industrial / hardcore jungle, blending in rock and pop, with touches of shoegaze. Dubstep grew out of grime, and drum and bass, etc grew out of jungle.
He’s a DJ Hype track from 1993 that gives you a taste of where jungle was at then which might help you see where dubstep came from.
Voyager too for iOS users. Closest app to Apollo in the beforefore times.