Without getting into great detail, the “higher” the mask value, the more specific the destination. The first column provides the list of known destinations (where can I go) and the second column indicates how specific the destination (I can go to Canada or I can go to Uncle John’s house in Canada). In some ways this is similar to how we navigate in real life. The routing table is just a “roadmap” that tells a computer/router where to go to get to other devices on the network. What is shown in the screenshot is a routing table from a computer.
#127.0 0.1 LOOPBACK HOW TO#
Then, YLearn offers a broader overview of naming conventions in general and how to think about them: Together with mask 255.0.0.0 it gives you a hint that whole class A of addresses starting with 127.*.*.* will contain loopback addresses. And they are not both loopback adresses.ġ27.0.0.1 is a loopback address 127.0.0.2 is a loopback address 127.0.0.3 is a loopback address and so onġ27.0.0.0 is a network address. First, Mmmc offers this succinct overview: Two SuperUser contributors jumped in to help solve the mystery. What kind of information can we tease out from this table? The Answer I know that both are loopback IPs, but they have another ip mask. SuperUser reader Disa is curious about loopback IPs:
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