Below is the taxes/fees listed from the online tool for my LONE5 ticket. Check out the $468 USD item below.... any idea what that is?

Adult traveller(s)
Air Passenger Tax for South Africa 20.01 USD
Tax description unavailable (NSAB) 1.42 USD
Tax description unavailable (WTSE) 5.00 USD
Tax description unavailable (TRAE) 15.00 USD
Passenger Security Charge for New Zealand 11.34 USD
Australian Passenger Service Charge 43.61 USD
Passenger Service Charge for South Africa 20.81 USD
Tax description unavailable (ECGO) 468.00 USD
Passenger Facility Charges 4.50 USD
Argentina Airport Tax 29.00 USD
Embarkation Tax for Egypt 15.00 USD
Egypt Departure Fee 9.09 USD
September 11th Security Fee 10.00 USD
Immigration and Naturalization Service Fee 14.00 USD
Jordan Civil Aviation Fee - Transfer Passengers 9.88 USD
Argentina Customs and Immigration Services Tax 10.00 USD
U.S. Animal and Plant Inspection Service Users Fee 10.00 USD
U.S. Customs Fee 11.00 USD
Argentina Security Tax 2.50 USD
Jordan International Sales Tax 14.13 USD
Tax description unavailable (EDLO) 5.00 USD
UK Passenger Service Charge 33.93 USD
Egypt Service Charge 1.00 USD
Australia Passenger Movement Charge 41.70 USD
South Africa Passenger Safety Charge 1.47 USD
807.39 USD
x 2 Adult(s) = 1,614.78 USD
total taxes/surcharges = 1,614.78 USD

BTW, this is for an updated itinerary:
GYE-EZE-xJFK-xAMM-IST-xAMM-CAI-xLHR-NBO, JNB-xSYD-WLG-SYD-HNL-LAX-xMIA-UIO