-- Your diagnosis --
 IP Address:66.214.131.201
 RemoteHost:66-214-131-201.dhcp.gldl.ca.charter.com
-- %ENV[Environment variable] --
 HTTP_ACCEPT_LANGUAGE : ja
 HTTP_CONNECTION : Keep-Alive
 HTTP_USER_AGENT : Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.0.3705)
 HTTP________ : ~~~~:~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 HTTP________________ : ~~~~~ ~~~~~~~
 REMOTE_ADDR : 66.214.131.201
 REMOTE_HOST : 66-214-131-201.dhcp.gldl.ca.charter.com
 REMOTE_PORT : 1057
-- DSBL --
 66.214.131.201 -> Listed(-_-)
-- BBQ --
 66.214.131.201 -> Roasted(-_-)
-- BBX(Unrelated to the proxies.) --
 66.214.131.201 -> None(^-^)
-- Tor(an anonymizing overlay network for TCP) --
 66.214.131.201 -> None(^-^)
-- PORT CHECKING --
 PORT 80: Result:refuse
 PORT 1080: Result:refuse
 PORT 3128: Result:refuse
 PORT 8000: Result:refuse
 PORT 8080: Result:refuse
 PORT 8888: Result:refuse

解除メールをabuseにもpostmasterにも送れません。

Removal Confirmation Refused EMail address:
postmaster@charter.com
Requestor IP: 66.214.131.201
Recipient Report:
65.54.166.230 does not like recipient.
Remote host said: 550 Requested action not taken:
mailbox unavailable
Message Report:
Giving up on 65.54.166.230.

これは解除できないということでしょうか?
プロバにメールしたほうがいいのでしょうか・・・