this is a computor adress that tryed to enter my computor it was
blocked. would like to know ident. of and address. its local adddress
172.150.8.71:Net Bus (12345).       thanks for your help           RM

Hi nigel1

The IP address 172.150.6.71 is delegated to America Online, as can be
seen by using the common Unix utility 'whois' --

   whois 172.150.8.71

   OrgName:    America Online
   OrgID:      AOL

You can see this for yourself using web-based lookup tools -- the one
linked below shows that the IP address is associated with the name
AC960847.ipt.aol.com -- an AOL dial-up account.
http://www.kloth.net/services/nslookup.php?d7n=172.150.8.71&q=ANY

What does this mean to you in terms of your question? It means that
the only people who can find out which computer it was assigned to at
the time it was used to launch an attack against your system are those
with direct access to AOL's user logs. As you'd imagine this access is
extremely tightly controlled (at every ISP) and I cannot think of any
conceivable situation where they would be released to anyone outside
of the law enforcement / criminal justice system.

If you want to complain about an attack on your system your first step
should be to contact AOL's abuse team -- their email address is
TOSGeneral@aol.com. Note that you will need to provide them with full
and detailed logs of whatever incident occurred. They will *not* be
able to take action without thorough logs, as in essence you are
asking them to tell one of their customers that they've broken AOL's
terms of service -- a legal contract -- and they can obviously not go
around making that kind of accusation without full and detailed proof.
You should also note that regardless of whether or not they take
action, AOL will not be able to inform you about what course of action
they have taken as this would breach their customer's privacy.
http://postmaster.info.aol.com/index.cfm?article=2&expand=0&sitenum=7

In addition to the above, if an intruder has actually gained access to
your computer you may well have a legal case against them. This will
obviously depend on where you live but most countries these days have
laws making unauthorised access to a computer a crime. If this
scenario applies to you then you will need to contact the relevant
police department -- and if they believe a crime has been committed
they will work in liaison with American Online to track down the
individuals concerned.

I hope this satisfactorily answers your question. If you have any
other questions or concerns, please remember that you can request a
clarification before adding a rating to this answer.


Regards
iaint-ga


Google web searches performed:
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Thank you an excellent answer. Well done!