（参考）Apache2でmod_rewriteを使って、鳥取県からと思われるアクセスを
　　　強制的に特定ページへリダイレクトする方法：

<Directory "/usr/local/www/data">

RewriteEngine on

# 160.15.0.0 - 160.15.255.255 : TOTTORI-NET
# 160.15.28.162 : www.tottori-u.ac.jp
RewriteCond %{Remote_Addr} "^160\.15\.[0-9]+\.[0-9]+$" [OR]
# 202.216.64.0/24 : InfoSakyu
# 202.216.64.206 : www.inabapyonpyon.net
RewriteCond %{Remote_Addr} "^202\.216\.64\.[0-9]+$" [OR]
# 202.216.67.0/24 : InfoSakyu -> Fujitsu tottori systems
# 202.216.67.0-63 : Tottori City Office
# 202.216.67.138 : www.daimaru-tottori.co.jp
# 202.216.67.167 : hotel-monarque.jp
RewriteCond %{Remote_Addr} "^202\.216\.67\.[0-9]+$" [OR]
# 202.216.78.0 - 202.216.78.127 : kankyo-u.ac.jp
RewriteCond %{Remote_Addr} "^202\.216\.78\.[0-9]$" [OR]
RewriteCond %{Remote_Addr} "^202\.216\.78\.[0-9][0-9]$" [OR]
RewriteCond %{Remote_Addr} "^202\.216\.78\.1[01][0-9]$" [OR]
RewriteCond %{Remote_Addr} "^202\.216\.78\.12[0-7]$" [OR]
# 210.128.60.128/25 : Tottori Prefectural Government
RewriteCond %{Remote_Addr} "^210\.128\.60\.12[8-9]$" [OR]
RewriteCond %{Remote_Addr} "^210\.128\.60\.1[3-9][0-9]$" [OR]
RewriteCond %{Remote_Addr} "^210\.128\.60\.2[0-5][0-9]$" [OR]
RewriteCond %{Remote_Addr} "^210\.128\.60\.2[0-5][0-9]$" [OR]
# 210.128.243.0/24 : Tottori Prefectural Government
# 210.128.243.5 : www.torikyo.ed.jp
RewriteCond %{Remote_Addr} "^210\.128\.243\.[0-9]+$" [OR]
# 210.156.17.0-15 : Yonago city
RewriteCond %{Remote_Addr} "^210\.156\.17\.[0-9]+$" [OR]
RewriteCond %{Remote_Addr} "^210\.156\.17\.1[0-5]+$" [OR]
# 218.224.242.24-31: Tottori RED CROSS hospital
RewriteCond %{Remote_Addr} "^218\.224\.242\.2[4-9]$" [OR]
RewriteCond %{Remote_Addr} "^218\.224\.242\.3[01]$" [OR]