+@def $zobel = ($zobel 88.99.108.200/29); # buri, dag, ...
+@def $luca = ();
+@def $luca = ($luca 162.210.192.22); # jump snafu.emyr.net
+@def $luca = ($luca 162.210.192.56); # jump pebkac.emyr.net
+@def $luca = ($luca 137.82.37.25); # jump eye.iun.ubc.ca
+@def $luca = ($luca 50.67.21.146); # home
+@def $luca = ($luca 142.103.249.101); # work