Comments on: Private and Public IP Addresses Explained http://www.debianadmin.com/private-and-public-ip-addresses-explained.html Debian/Ubuntu Linux System Administration Tutorials,Howtos,Tips Thu, 19 Nov 2009 13:24:32 -0500 http://wordpress.org/?v=2.8.6 hourly 1 By: rajeev sharma http://www.debianadmin.com/private-and-public-ip-addresses-explained.html/comment-page-1#comment-3717 rajeev sharma Sun, 27 Sep 2009 12:32:22 +0000 http://www.debianadmin.com/private-and-public-ip-addresses-explained.html#comment-3717 sir please let me know about the public ip address and how they are purchased from isp and from where isp purchased these ip address. sir please let me know about the public ip address and how they are purchased from isp and from where isp purchased these ip address.

]]> By: lpuser http://www.debianadmin.com/private-and-public-ip-addresses-explained.html/comment-page-1#comment-3178 lpuser Tue, 09 Jun 2009 18:12:40 +0000 http://www.debianadmin.com/private-and-public-ip-addresses-explained.html#comment-3178 In my opinion I think most of you have skipped over a very important detail. Private IP addresses are not Internet route-able and therefore cannot be used as public addresses. This is why home and business type routers all support what is called NAT, network address translation. The outside interface (public facing) generally has a Public IP given to you by your ISP (Internet Service Provider). This IP address is not required to be public and can be private but there has to be NAT somewhere before actual Internet access is established. In my opinion I think most of you have skipped over a very important detail. Private IP addresses are not Internet route-able and therefore cannot be used as public addresses. This is why home and business type routers all support what is called NAT, network address translation. The outside interface (public facing) generally has a Public IP given to you by your ISP (Internet Service Provider). This IP address is not required to be public and can be private but there has to be NAT somewhere before actual Internet access is established.

]]> By: Chandru http://www.debianadmin.com/private-and-public-ip-addresses-explained.html/comment-page-1#comment-2934 Chandru Thu, 14 May 2009 18:52:42 +0000 http://www.debianadmin.com/private-and-public-ip-addresses-explained.html#comment-2934 sir thanks for publishing my comment though not useful. sir thanks for publishing my comment though not useful.

]]> By: WERT http://www.debianadmin.com/private-and-public-ip-addresses-explained.html/comment-page-1#comment-2931 WERT Thu, 14 May 2009 08:12:08 +0000 http://www.debianadmin.com/private-and-public-ip-addresses-explained.html#comment-2931 dear. sir can u teach more from ip range to me.. please... with your plasure dear. sir
can u teach more from ip range to me..
please…
with your plasure

]]> By: Chandru http://www.debianadmin.com/private-and-public-ip-addresses-explained.html/comment-page-1#comment-2899 Chandru Sun, 10 May 2009 17:17:38 +0000 http://www.debianadmin.com/private-and-public-ip-addresses-explained.html#comment-2899 Sir, With reference to Charles M.Kozierok's TCP/IP guide i concluded that private ip address is correct as given above. Please give one correct info as these are sensitive details(in my point of view). Sir, With reference to Charles M.Kozierok’s TCP/IP guide i concluded that private ip address is correct as given above. Please give one correct info as these are sensitive details(in my point of view).

]]> By: vikas http://www.debianadmin.com/private-and-public-ip-addresses-explained.html/comment-page-1#comment-1717 vikas Tue, 22 Jul 2008 04:34:10 +0000 http://www.debianadmin.com/private-and-public-ip-addresses-explained.html#comment-1717 i want to know about the procedure of connectivity by static ip i want to know about the procedure of connectivity by static ip

]]> By: munir http://www.debianadmin.com/private-and-public-ip-addresses-explained.html/comment-page-1#comment-1716 munir Wed, 09 Jul 2008 19:56:09 +0000 http://www.debianadmin.com/private-and-public-ip-addresses-explained.html#comment-1716 Actually my question is. i wanna logon to other computer remotely i have all that computer details for example= lan ip and public ip. pls write me in details best regards Munir Actually my question is. i wanna logon to other computer remotely i have all that computer details
for example= lan ip and public ip. pls write me in details

best regards

Munir

]]> By: munir http://www.debianadmin.com/private-and-public-ip-addresses-explained.html/comment-page-1#comment-1715 munir Tue, 24 Jun 2008 19:50:08 +0000 http://www.debianadmin.com/private-and-public-ip-addresses-explained.html#comment-1715 i have public ip for third party.how can i log on in that pc? pls explain me. Best regards Munir i have public ip for third party.how can i log on in that pc? pls explain me.

Best regards
Munir

]]> By: ganesh http://www.debianadmin.com/private-and-public-ip-addresses-explained.html/comment-page-1#comment-1714 ganesh Fri, 28 Sep 2007 08:52:48 +0000 http://www.debianadmin.com/private-and-public-ip-addresses-explained.html#comment-1714 Public ip address are unique n used by web servers like yahoo.com , google.com they r paid ip address Private ip address r unique within a LAN they r used for general purpose n are free The valid private ip address are Class A 10.0.0.1 to 10.255.255.254 Class B 172.16.0.1 to 172.31.255.254 Class C 192.168.0.1 to 192.168.255.254 Rest are public Public ip address are unique n used by web servers like yahoo.com , google.com
they r paid ip address
Private ip address r unique within a LAN
they r used for general purpose n are free

The valid private ip address are
Class A 10.0.0.1 to 10.255.255.254

Class B 172.16.0.1 to 172.31.255.254

Class C 192.168.0.1 to 192.168.255.254

Rest are public

]]> By: Allen http://www.debianadmin.com/private-and-public-ip-addresses-explained.html/comment-page-1#comment-1713 Allen Thu, 10 May 2007 06:27:26 +0000 http://www.debianadmin.com/private-and-public-ip-addresses-explained.html#comment-1713 Public IP address can be static or dynamic, depending on what you have applied with your ISP. Most of the case a static public IP is used if the purpose is to have a fixed IP address (Web Server, FTP Server and etc.). The private IP address above is true and for standard use your private network must follow these IP addressing. ************************************** Class A 10.0.0.0 through 10.255.255.255 Class B 172.16.0.0 through 172.31.255.255 Class C 192.168.0.0 through 192.168.255.255 *************************************** All IP address except the above mentioned is for public use (From Class A to Class E). Public IP address can be static or dynamic, depending on what you have applied with your ISP.

Most of the case a static public IP is used if the purpose is to have a fixed IP address (Web Server, FTP Server and etc.).

The private IP address above is true and for standard use your private network must follow these IP addressing.

**************************************
Class A
10.0.0.0 through 10.255.255.255

Class B
172.16.0.0 through 172.31.255.255

Class C
192.168.0.0 through 192.168.255.255
***************************************

All IP address except the above mentioned is for public use (From Class A to Class E).

]]> By: Chris http://www.debianadmin.com/private-and-public-ip-addresses-explained.html/comment-page-1#comment-1712 Chris Sun, 15 Apr 2007 19:54:47 +0000 http://www.debianadmin.com/private-and-public-ip-addresses-explained.html#comment-1712 This is perhaps not a really vital distinction but a Public IP Address is NOT automatically a Static IP Address. On my home DSL connection, for example, I have a Dynamic IP Address - it is assigned by my ISP and will sometimes change (hence Dynamic) but it is the IP address visible to the world (Public) for all computers on my network. Within my network, of course, Class C addresses are used and information is routed to the appropriate machine using those addresses by my router. I would say that the Public IP Address is the one broadcast or transmitted with request packets so that information may be routed accurately to your access point, router, or stand-alone computer/workstation; or broadcast so that your access point, router, or stand-alone computer/workstation may be located by other machines/services on the public network or internet. This is perhaps not a really vital distinction but a Public IP Address is NOT automatically a Static IP Address.

On my home DSL connection, for example, I have a Dynamic IP Address – it is assigned by my ISP and will sometimes change (hence Dynamic) but it is the IP address visible to the world (Public) for all computers on my network.

Within my network, of course, Class C addresses are used and information is routed to the appropriate machine using those addresses by my router.

I would say that the Public IP Address is the one broadcast or transmitted with request packets so that information may be routed accurately to your access point, router, or stand-alone computer/workstation; or broadcast so that your access point, router, or stand-alone computer/workstation may be located by other machines/services on the public network or internet.

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