Not from the suspense account. There is a bulk re-coding tool, but it only works on selected nominal codes, 9998 isn’t one of them.
If you’ve uploaded a statement to a bank account, they would (unless you have bank tagging rules) remain untagged in your bank account, so you could view all the untagged entries. If your tagging is generally up to date, then this could help narrow it down for you:
Alternatively, you could do an advanced search for entries created from a feed/import:
