Layer Estimates:

Layer: Eircode4ArcGIS_CopyFeatures (ID:0)
Count: 2394753
Extent:

XMin: -10.66112210702
YMin: 51.4146500762696
XMax: -5.879275232936
YMax: 55.3806778008618
Spatial Reference: 4326 (4326)
Vertical Spatial Reference: 5773 (5773)