private boolean isExternalBlockAddress(Lifespan lifespan, Address addr) {
		// TODO: Verify that this works for emulation
		TraceMemoryRegion region =
			trace.getMemoryManager().getRegionContaining(lifespan.lmin(), addr);
		return region != null &&
			MemoryBlock.EXTERNAL_BLOCK_NAME.equals(region.getName(lifespan.lmin()));
	}
A reference entry

<p>
Version history:
<ul>
<li>1: Change {@link #toAddress} to 10-byte fixed encoding</li>
<li>0: Initial version and previous unversioned implementation</li>
</ul>
Ghidra/Debug/Framework-TraceModeling/src/main/java/ghidra/trace/database/symbol/DBTraceReferenceSpace.java