The IANA AS Numbers registry has been updated to reflect the allocation of 1 block to ARIN in 2013-05-30:
62464-63487
You can find the IANA AS Numbers registry at:
http://www.iana.org/assignments/as-numbers/as-numbers.xml
Regards,
Selina Harrington
******************************************* Internet Assigned Numbers Authority (IANA) Internet Corporation for Assigned Names & Numbers 12025 Waterfront Drive, Suite 300 Los Angeles, CA 90094 Phone: +1 310 301 5800 Fax: +1-310-823-8649 *******************************************