http://api.feedster.com/ping
http://api.moreover.com/RPC2
http://rpc.blogrolling.com/pinger/
http://rpc.pingomatic.com/
http://rpc.technorati.com/rpc/ping
http://rpc.weblogs.com/RPC2
http://ping.syndic8.com/xmlrpc.php
http://ping.blo.gs/
http://api.my.yahoo.com/RPC2