nabot
nabot_1.0 and NABOT/5.0 are listed on psychedelix.com as being used by Korea Telekom, (http://www.kornet.net/).
Jan 2003:
I've recently looked through a few IP addresses associated with spidering activity from Nabot, all of which seem to start 202.234.172. The only one that bore fruit took me to this site: http://www.naver.co.jp/
status : not blocked
First noticed : 2002-11-12
earliest IP address : 202.234.172.61