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   Dr. Christopher Kunz (christopherkunz@chaos.social)'s status on Tuesday, 27-Jan-2026 18:30:20 JST Dr. Christopher Kunz

   @mkj @manawyrm @ryanc Mobile phone number address spaces are surprisingly variable, especially in Austria. There are in excess of 500 billion possible phone numbers in Austria alone. This table might be useful for an estimate. (UK's not in it), but a couple dozen billion across all those countries seems like a good enough ballpark.
   Source: https://arxiv.org/pdf/2511.20252