ASN info through ARIN??

Hello,

Maybe this is the wrong subreddit but I'm looking for the downloadable database for the ASN "AS21928" which is T-Mobile USA. I downloaded the ARIN and ARIN-NONAUTH databases and it places it under XO Communications which presumably manages the infrastructure for T-Mobile. I go to various IP sites and they have T-Mobile as the proper organization and the address. The closest I can come to this information is in the Level 3 database. However, It's missing the organization address, abuse contact info etc. Where is the proper database for this!? Anyone know? Or is the info not downloadable and only accessible through RDAP and queried on the fly?

Thanks!!