Hi, I have a large number of OSM IDs such as the Relation 2172991 corresponding mostly to administrative boundaries. I am now trying to match these against the ids in (for example) the bbbike bulk download but I am running into issues as the IDs do not match at all. I know that relying on stable OSM IDs is not advisable and I can always re-query the locations that have changed from nominatim but I am a bit lost on how to approach this issue. If at all possible I do not want to use the lookup endpoint of nominatim in order to keep the load on the OSM servers as little as possible. Best Frederic asked 11 Jun '21, 13:55  FDenker |
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The IDs should certainly match any downloads from bbbike or Geofabrik. Have you considered that Nodes, Ways, and Relations each have an independent number range i.e. there is a way #2172991 and a node #2172991 in addition to your relation?