diff --git a/Geo-IPinfo/lib/Geo/IPinfo.pm b/Geo-IPinfo/lib/Geo/IPinfo.pm
index 1b6df7d..99eb66c 100644
--- a/Geo-IPinfo/lib/Geo/IPinfo.pm
+++ b/Geo-IPinfo/lib/Geo/IPinfo.pm
@@ -37,6 +37,8 @@ my %valid_fields = (
 );
 my $base_url          = 'https://ipinfo.io/';
 my $country_flag_url  = 'https://cdn.ipinfo.io/static/images/countries-flags/';
+my $cache_ttl    = 0;
+my $custom_cache = 0;
 my %default_countries = (
     "BD" => "Bangladesh",
     "BE" => "Belgium",
@@ -1051,9 +1053,6 @@ my %default_continents = (
     "MZ" => { "code" => "AF", "name" => "Africa" }
 );
 
-my $cache_ttl    = 0;
-my $custom_cache = 0;
-
 #-------------------------------------------------------------------------------
 
 sub new {
diff --git a/README.md b/README.md
index b5201ae..1e63de1 100644
--- a/README.md
+++ b/README.md
@@ -54,6 +54,7 @@ $loc = $details->loc; # 37.8342,-122.2900
   * JSON
   * LWP::UserAgent
   * HTTP::Headers
+  * Net::CIDR
   * Net::CIDR::Set
 
 #### Usage