

Shameless plug, I made an ipcalc6 in rust that does it (with cargo run 2600:1ff2:4000::/40įinished dev target(s) in 0.01s Address US, CA, Mountain View, 1600 Amphitheatre Parkway, 94043


If you just want to get details for an IP it's gives a great overview, and supports bulk lookup too: It doesn't currently support calculations, but it does support conversion of start-end ranges to CIDRs (via `range2cidr` and `cidr2range`) and `grepip`. For another cli based IP address utility check out IPinfo.io's CLI:
