Programmer Humor

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It's a Unix system! Elon knows this! (lemmy.ml)

submitted 16 hours ago by [email protected] to c/[email protected]

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[–] [email protected] 8 points 12 hours ago* (last edited 12 hours ago)

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.