IPLookup: will now match IPv4 or IPv6 by itself as well as query formats

Should address https://github.com/duckduckgo/zeroclickinfo-spice/issues/1108 & supersede the existing answer
I see that your old Goodie was useful here! https://github.com/duckduckgo/zeroclickinfo-goodies/blob/master/lib/DDG/Goodie/SubnetCalc.pm#L55