請問免費WAP Gateway

請問那裡有免費WAP Gateway?
根據http://www.mobile01.com/topicdetail.php?f=18&t=4037
Ericsson gateway (IP: 193.95.167.178)
WapTunell gateway (IP: 207.232.99.109)
Halebop gateway (IP: 194.237.106.73)
O2 gateway (IP: 193.113.200.195)

之前試過只有193.113.200.195可用, 現在卻4個都無法ping得到說...
Thks!