I have some one IP address,Can I find the ISP(the site of that ISP) he/she was using by that IP address.?

Question

the connection is dial up and that person IP address is this : 217.219.61.131

Answer 1

Try this,

http://www.dnsstuff.com/

Here are the results I got when I looked it up:

WHOIS results for 217.219.61.131
Generated by www.DNSstuff.com
Location: Iran (high) [City: Shiraz, Fars]

ARIN says that this IP belongs to RIPE; I'm looking it up there.


% This is the RIPE Whois query server #2.
% The objects are in RPSL format.
%
% Note: the default output of the RIPE Whois server
% is changed. Your tools may need to be adjusted. See
% http://www.ripe.net/db/news/abuse-proposal-20050331.html
% for more details.
%
% Rights restricted by copyright.
% See http://www.ripe.net/db/copyright.html

% Information related to '217.219.0.0 - 217.219.63.255'

inetnum: 217.219.0.0 - 217.219.63.255
netname: Area-41
descr: Area no 4-1 partition
country: IR
admin-c: HA1537-RIPE
tech-c: ZD144-RIPE
status: LIR-PARTITIONED PA
mnt-by: AS12880-MNT
mnt-lower: AS12880-MNT
changed: ******@itc.ir 20041003
source: RIPE

person: Hamid Alipour
address: Information Technology Company (ITC)
address: P.O.Box 16315-737.
address: Tehran
address: Iran
phone: [phone]
fax-no: [phone]
abuse-mailbox: *****@mail.dci.co.ir
abuse-mailbox: ***@dci.ir
org: ORG-TCoI1-RIPE
nic-hdl: HA1537-RIPE
mnt-by: AS12880-mnt
changed: *******@dci.ir 20060426
source: RIPE

person: Zahra Deliri
address: Datacommunications Company of Iran
address: DCI
address: No 2.1 Yazdanpanah st.Vali Asr Av.
address: Tehran
address: Iran
phone: [phone]
fax-no: [phone]
nic-hdl: ZD144-RIPE
remarks: Technical Contact Person
remarks: Please for any abuse report write to *****@mail.dci.co.ir
mnt-by: AS12880-mnt
changed: *******@dci.ir 20060426
source: RIPE

% Information related to '217.219.56.0/21AS12880'

route: 217.219.56.0/21
descr: DCI-Route
descr: Shiraz
origin: AS12880
mnt-by: AS12880-MNT
changed: *********@dci.ir20051101 20051101
source: RIPE


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Answer 2

well.. IANA (the company that sells IP addresses to ISPs) knows which ISP 217.219.61.131 is at. so if you contact them, they may tell you which ISP has that IP address.

Answer 3

i'd like to know too