Autonomous System Number 
Abstract Syntax Notation 
Access Service Network 
Assistant Secretary of the Navy 
Advanced Shipping Notice 
Associate of Science In Nursing 
Allotment Serial Number 
Asparagine 
Autonomous System Numbers 
Access Services Network 
Access Stack Node 
Acknowledgement Sequence Number 
Aeronautical Satellite News 
African Scientific Network 
American Society of Naturalists 
American Society of Nephrology 
APU Serial Number 
assign 
Atomic Strike Net 
Average Sample Number 
Abstract Symbol Notation 
acidified sodium nitrite 
Actual Slot Number 
acute sensory neuropathy 
Adobe Solutions Network 
Advance Ship Notice 
Advance Shipment Notice 
Advanced Silicon Nitride 
Advanced slot notification 
Advnaced Shipment Notification