Hi,
The IANA AS Numbers registry has been updated to reflect the allocation of the following block to LACNIC in September 2016:
265629-266652 Assigned by LACNIC 2016-09-08
You can find the IANA AS Numbers registry at:
http://www.iana.org/assignments/as-numbers/as-numbers.xml
The allocation was made in accordance with the Policy for Allocation of ASN Blocks to Regional Internet Registries:
https://www.icann.org/resources/pages/global-policy-asn-blocks-2010-09-21-en
Best Regards,
Paula Wang
IANA Specialist
ICANN