54.145.209.77 resolves to:
Array
(
    [known] => true
    [countryid] => 14
    [country] => Australia
    [fips104] => AS
    [iso2] => AU
    [iso3] => AUS
    [ison] => 36
    [internet] => AU
    [capital] => Canberra 
    [mapreference] => Oceania 
    [nationalitysingular] => Australian
    [nationalityplural] => Australians
    [currency] => Australian dollar 
    [currencycode] => AUD
    [population] => 19357594
    [countrytitle] => Australia
    [regionid] => 3
    [region] => Queensland
    [regioncode] => QL
    [adm1code] => AS04
    [cityid] => 42952
    [city] => Griffin
    [latitude] => -27.2620
    [longitude] => 153.0280
    [timezone] => +10:00
    [locationcode] => AUQLGRIF
    [dma] => 
    [certainty] => 99
    [isproxynetwork] => false
    [mapbytesremaining] => Free
)
REMOTE_ADDR resolves to:
54.145.209.77
HTTP_GEOBYTESIPADDRESS resolves to:
54.145.209.77
HTTP_GEOBYTESLOCATIONCODE resolves to:
AUQLGRIF
There is an explaination of how this works here: http://forums.geobytes.com/viewtopic.php?f=28&t=462