Yes, if the connection is direct (not through NAT, for example) then each device would need a separate public IP address.
Using NAT (NETWORK ADDRESS TRANSLATION) can make it possible to connect to Internet with Public IP Address at the Internet Gateway while Computers internally will use Private range of IP Addresses.
While using a public IP address, it is possible that others will be able to see what you're doing. Don't do anything personal.
hotspots
hotspot
Only if the public place your located have public accessed wifi
172.16.15.20
A private IP is for internal networks, a public one is for a WAN or the Internet.
All that is needed to send an email is a destination address and an account with an email provider. Internet cafes and public wi-fi spots allow the general public to use their internet connect to access features such as video conferencing, email and instant messaging programs.
NAT (Network Address Translation) A service that translates a private IP address to a public IP address in packets destined for the internet, then translates the public IP address in the reply to the private address.
A public network is when anyone has access to connect to the internet. These types of networks can be found at airports or coffee shops.
You can loacte your own public IP address on LocatedIP.com
the ipod have wifi capabilities that allow you to connect to internet as long as there is a hotspot or some public network is available