The IANA AS Numbers registry has been updated to reflect the allocation of the following blocks to ARIN:


397213-398236                  Assigned by ARIN             2018-08-09

398237-399260                  Assigned by ARIN             2018-08-09


You can find the registry at:




The allocation was made in accordance with the Policy for Allocation of ASN Blocks to Regional Internet Registries:




Best Regards,



Selina Harrington

Lead IANA Services Specialist