From Crisis: Episode 2 (Batwoman)
Earth 74:
Legends of Tomorrow have retired and Mick Rory is left inhabiting the Waverider
Earth 99:
Batman (Kevin Conroy) has retired and can only move thanks to an exoskeleton.
Earth 75:
Superman of this Earth is killed by Lex Luthor wielding the Book of Destiny
Earth 167:
Superman (Tom Welling) has given up his powers and is now living with his family Lois Lane (Erica Durance) and his daughter on the Kent farm.
Earth 96:
Superman (Brandon Routh) as Clark Kent is Editor in Chief of the Daily Planet
Earth 18:
Location of the Lazarus Pit. (with Jonah Hex cameo)
From Crisis Episode 3 (The Flash)
Earth 203
New Gotham with the Birds of Prey
Earth 666
Lucifer's Earth (Tom Ellis)
Earth 90
Earth of the Flash (John Wesley Shipp)
Earth (not stated)
Earth of Black Lightning
From Crisis: Episode 4 (Arrow) & Episode 5 (DC's Legends of Tomorrow)
Earth-2
Previously destroyed, now home to the Justice Society of America & Stargirl (new CW series in course)
Earth-9
Home to the the Titans
Earth-12
Home to the the Green Lantern Corp - possible reference to Green Lantern tv series on HBO-Max
Earth-19
Home of The Swamp Thing
Earth-21
Home to Doom Patrol
Earth-96 (rebooted?)
Brandon Routh is Superman
Earth-96 was inspired equally from the first five Superman movies and the classic graphic novel Kingdom Come. It was named in honor of the year in which Kingdom Come was first published - 1996.
Earth-Prime
Previously Earth-1, now apparently a combined Earth which is home to:
- The Flash
- Supergirl
- DC's Legends of Tomorrow
- Batwoman
- Black Lightning - may previously have been Earth-1
- Superman & Lois - new CW series in course