IANA manages the DNS Root Zone (assignments of ccTLDs and gTLDs) along with other functions such as the .int and .arpa zones.
IANA coordinates allocations from the global IP and AS number spaces, such as those made to Regional Internet Registries.
2016 Annual Customer Survey. ICANN has engaged Ebiquity to administer its 2016 Annual Customer Survey. If you have made use of IANA request services in the last year you can expect to receive an invitation from Judy Bromley to participate in a survey hosted at https://www.ebiquityinsights.com/.