Simple script to remove all loopbacks at one, e.g. especially if you created it with some other script as from here https://packetpushers.net/tcl-script-for-creating-many-loopback-interfaces/
or from here: https://blog.ine.com/2014/05/05/ios-random-ipv4-ipv6-route-generator-in-tcl
or from here: https://blog.ine.com/2014/05/05/ios-random-ipv4-ipv6-route-generator-in-tcl
foreach line_a [split [ exec "sh ip int b | i Loopback" ] "\n"] { if { [ regexp -inline {[0-9/.]+ } [ lindex $line_a 0 ] ] != "" } \ { ios_config "no interface [ lindex $line_a 0 ]" } }