So, if the pools were drawn tomorrow, the pots would "probably" look like this:
Pot 1: New Zealand, England, Australia, Ireland
Pot 2: Wales, South Africa, Scotland, France
Pot 3: Argentina, Japan, Georgia, Italy
Pot 4: Oceania 1 (Fiji), Oceania 2 (Tonga), Europe 1 (Romania), America 1 (USA)...