Here's a bare (no rDNS) IP with an interesting history of UA fakery, below:
63.232.227.10
(a.k.a. Vocus Inc.)
10:32:10 /
11:11:06 /
robots.txt? NO
UA? NO
-----
Courtesy of [
projecthoneypot.org...]
63.232.227.10's User Agent Strings
Mozilla/5.0 (compatible; Yahoo! Slurp
;http
://help
.yahoo
.com/help/us/ysearch/slurp)
Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; aggregator VocusBot 0.4; +http
://www
.vocus
.com/vnhs.html)
-----
(Aside: That Yahoo UA is also malformed; no space after second semi-colon.)
Related: "PRWEB Sold to Vocus for $28 Million" (2006) [
webmasterworld.com...]