NS - IIRC, a few years ago, the Irish aviation authorities decided to abolish all UARs within the Shannon upper airspace. Hence, none listed nowadays.
I believe this move was based upon the fact that they had very good radar coverage and could thus offer more flexible routeing scenarios as the position of NAT tracks varied from day to day.
It also had benefits for their control sectorisation and staffing.
The UIR entry and exit points remained (or were amended) to permit electronic coordination with adjacent ATC units.