ip address to isp

how can
whats my ip address
know isp

is there a master list
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ktaczalaConnect With a Mentor Commented:
they do a who is lookup for the IP.

look at http://mxtoolbox.com you can find out all kinds of information on an IP.
Lee W, MVPConnect With a Mentor Technology and Business Process AdvisorCommented:
ARIN (American Registry for Internet Numbers) maintains a list of ISPs granted blocks of addresses.
Tapan PattanaikConnect With a Mentor Senior EngineerCommented:
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Dave BaldwinConnect With a Mentor Fixer of ProblemsCommented:
Things like that are 'public information' if you know where to look.  I use a program called IPNetInfo from Nirsoft http://www.nirsoft.net/utils/ipnetinfo.html  to look up who owns an IP address.
WORKS2011Connect With a Mentor Austin Tech CompanyCommented:
whats my ip address
type "what's my ip" in Google, it will return your IP your ISP provides for you.

know isp
copy and paste the ip above into http://whatismyipaddress.com/ip-lookup 

is there a master list
if so it would be massive, what are your reasons for a master list? IP addresses are allocated to different ISP's in blocks.
Don JohnstonConnect With a Mentor InstructorCommented:
It's hard to tell from the wording of the question, I'm guessing that you mean your physical address and not your IP address?

If so, it's called IP Geolocation.
rgb192Author Commented:
so arin has the list and list is too big to view and there is a geolocation

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