IP addresses are assigned by the network administrator, or ISP. The computer does have to be configured manually to respond to that specific address.
The no. of IP's that can be assigned to single computer depends on the subnet mask. if the subnet mask is of A class then the IP's assigned can be 16777216. If the subnet mask is of B class then the no. of IP's that can be assigned is 65536. And if the subnet mask is of C class then the IP's assigned can be 254.
the router is assigned an ip address.
There are thousands upon thousands of IP addresses. Each Internet Provider is assigned a range of numbers. One gets assigned to you EACH time you enter the internet (or one of your programs accesses the Internet). That IP stays for that session. You may have the same IP hundreds of times--but then, get switched to a different one.
A public IP address is assigned to you by your Internet Service Provider while your private IP is assigned to you by your internal router. You can loacte your public IP address on LocatedIP.com
VoIP telephone number is assigned through IP. Every IP distributed has their own number.
They are static.
Movable IP address is an IP address which is assigned to an active entity and the same can be assigned to the corresponding standby (redundant) entity when the active entity fails.
Your Router is assigned an IP address that is known as a public IP address then your router assigns out IP addresses that are known as local IP addresses. So the answer is yes and yes!
Ip's Are assigned by your Internet Provider. Internet Protocal is a good name for IP
This is an open ended question. Generally your old IP will be the IP address that you were assigned by your internet service provider. However, this could also be an old ip address that you were assigned by your companies network.
VoIP telephone number is assigned through IP. Every IP distributed has their own number.
It's hard to speculate about the problem, but DHCP has three methods how IP might be assigned to he machine. Manual (You set which machine which IP has), Dynamic (When you machine asks for IP and it gets from free IP pool and it can ask every time the same IP, extend it's usage. In this case you might loose your IP and you will get different one.) and Automatic (DHCP sets IP to machine permanently, it uses MAC-IP relation. Changing the MAC, might change your IP).