diff --git a/Completion/Unix/Command/_ip b/Completion/Unix/Command/_ip
index 3b68c35..a6470da 100644
--- a/Completion/Unix/Command/_ip
+++ b/Completion/Unix/Command/_ip
@@ -9,7 +9,10 @@
 # Values encoding simple types
 #
 local -a subcmd_dev
-subcmd_dev=(/$'[[:alnum:][:punct:][:cntrl:][:digit:]]##\0'/ ':interfaces:network interface:_net_interfaces')
+subcmd_dev=(
+  /$'[[:alnum:][:punct:][:cntrl:]]##\0'/ ':interfaces:network interface:_net_interfaces'
+  /$'[[:alpha:]]##[[:digit:]]##(\.[[:digit:]]##)#\0'/ ':interfaces:network interface:_net_interfaces'
+)
 
 local -a subcmd_onoff
 subcmd_onoff=(/$'(on|off)\0'/ ':onoff:state (on or off):(on off)')