Revision history for IP-ChinaISP

0.01    2007/9/3
        First version, wrote and tested on RH Linux AS4,with Perl 5.8.5

0.02	2007/9/6
	Updated POD section

0.03	2007/10/31
	Updated ip data

0.04	2007/12/17
        Updated ip data and added three methods: is_tel,is_cnc,is_edu

0.06	2008/4/12
        Updated ip data
