how to register the unsuccessfully login IP?

From: Xu Zhimin <xuzm_at_ns.cetin.net.cn>
Date: Fri, 03 Apr 1998 15:57:20 +0800

Dear Manager:

    Is there someone know how to register the IP address
where unsuccessfully login attempt were made many times.

Thank you very much!

---Xu Zhimin
---email to :xuzm_at_ns.cetin.net.cn
Received on Fri Apr 03 1998 - 11:51:34 NZST