Here is an older thread on appie spider [webmasterworld.com]
volatilegx
7:10 pm on Nov 1, 2002 (gmt 0)
The information in that thread appears to be dated. It refers to appie belonging to Webcrawler... the page on webcrawler's site mentioned no longer exists. I believe appie is now used by Walhello as Josk says. Here's my list of IPs for Walhello: