Loopback Addresses, Always your computer
127.x.x.x
Private IP Addresses, Computers on your local network
10.x.x.x
172.16.0.0 -172.31.255.255
192.168.x.x
169.254.x.x (link local, used if your network has no DHCP server)
Multicast, Addresses multiple computers on your local network
224.0.0.0 - 239.255.255.255
Broadcast, Addresses all computers on your local network
255.255.255.255
CGNAT Addresses, Computers on your same ISP/carrier
100.64.0.0 - 100.127.255.255
(Only applicable if your ISP/carrier uses CGNAT)
Public Internet Addresses Most other IP addresses
Which block of private IPs your local network uses depends on how your router/DHCP server is configured. If you’re using the standard router your ISP provided then whatever default settings on that will determine your local subnet.
A watt is 1 Joule per Second (1 J/s). E.g. Every second, your device draws 1 Joule of energy. This energy over time is called “Power” and is a rate of energy transfer.
A watt-hour is (1 J/s) * (1 hr)
This can be rewritten as (3600 J/hr) * (1 hr). The “per hour” and “hour” cancel themselves out which makes 1 watt-hour equal to 3600 Joules.
Loopback Addresses, Always your computer
127.x.x.x
Private IP Addresses, Computers on your local network
10.x.x.x
172.16.0.0 -172.31.255.255
192.168.x.x
169.254.x.x (link local, used if your network has no DHCP server)
Multicast, Addresses multiple computers on your local network
224.0.0.0 - 239.255.255.255
Broadcast, Addresses all computers on your local network
255.255.255.255
CGNAT Addresses, Computers on your same ISP/carrier
100.64.0.0 - 100.127.255.255
(Only applicable if your ISP/carrier uses CGNAT)
Public Internet Addresses
Most other IP addresses
Which block of private IPs your local network uses depends on how your router/DHCP server is configured. If you’re using the standard router your ISP provided then whatever default settings on that will determine your local subnet.