Don't try to look up private IP address.

lib/geocoder/ip_address.rb

lib/geocoder/lookups/freegeoip.rb

lib/geocoder/lookups/ip2location.rb

lib/geocoder/lookups/ipapi_com.rb

lib/geocoder/lookups/ipdata_co.rb

lib/geocoder/lookups/ipinfo_io.rb

lib/geocoder/lookups/ipstack.rb

lib/geocoder/lookups/maxmind.rb

lib/geocoder/lookups/maxmind_geoip2.rb

lib/geocoder/lookups/pointpin.rb

lib/geocoder/lookups/telize.rb

lib/geocoder/query.rb

test/fixtures/pointpin_8_8_8_8

test/fixtures/telize_10_10_10_10

test/fixtures/telize_8_8_8_8

test/fixtures/telize_no_results

test/unit/ip_address_test.rb

test/unit/lookups/freegeoip_test.rb

test/unit/lookups/ip2location_test.rb

test/unit/lookups/ipapi_com_test.rb