British & Irish Cup champions Munster A will begin the defence of their title away at Ospreys Select on 13-15 October and are joined by Nottingham and Bedford Blues in Pool 1.
Last season's finalists Jersey Reds, who lost 29-28 to the Irish side, are named in Pool 3, along with Dragons Select, London Scottish and Yorkshire Carnegie.
Fixtures for the pool stages run from 13-15 October 2017 to 20 January 2018.
Pool 1:
Bedford Blues
Munster A
Nottingham
Ospreys Select
Pool 2:
Bristol Rugby
Cardiff Blues Select
Doncaster Knights
Leinster A
Pool 3:
Dragons Select
London Scottish
Yorkshire Carnegie
Jersey Reds
Pool 4:
Connacht A
Rotherham Titans
Richmond
Ealing Trailfinders
Pool 5:
Cornish Pirates
Hartpury RFC
Scarlets Select
Ulster A
British & Irish Cup 2017/18 fixtures
Round 1 - 13-15 October 2017
London Scottish v Dragons Select
Round 2 - 20-22 October 2017
Dragons Select v Jersey Reds
Round 3 - 8-10 December 2017
Yorkshire Carnegie v Dragons Select
Round 4 - 15-17 December 2017
Dragons Select v Yorkshire Carnegie
Round 5 - 12-14 January 2018
Jersey Reds v Dragons Select
Round 6 - 29 January 2018
Dragons Select v London Scottish
NB: All kick-off times and match dates to be confirmed by clubs.