The problem is that the module does not append the | geonormalize command automatically in the new version. The postprocess for the "Geo Results" table does append it, though. Since the new module now expects a combined latitude/longitude value in the _geo field (the old one expected the _lat and _lng field) you have to either append the geonormalize to your search:
dest_ip=* status=Up | dedup dest_ip | lookup geoip_internal dest_ip | geoip dest_ip | geonormalize
or even better, modify your lookup to emit the combined _geo value:
dest_ip,_geo
192.168.1.0/24,"38.8951,-77.0363"
(note the quotes around the lat/lon value)
Additinally, you can specify a "geo_info" column in your lookup with a label that will appear in the "location" column of the "Geo results" table:
dest_ip,geo_info,_geo
192.168.1.0/24,"Washington DC","38.8951,-77.0363"
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