office_id = Office:id
company_id = Companies:id
-[core_mailing_list_message]
+[core_email]
owner_id = Person:id
-
+[core_geoip_country]
+continent_id = core_geoip_continent:id
-
+[core_geoip_location]
+city_id = core_geoip_city:id
+
+[core_geoip_network_mapping]
+city_id = core_geoip_city:id