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Topic: Private IP address

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	Private IP address
		Private IP address space has been allocated via RFC 1918.
		They are used extensively in private networks due to the shortage of publicly registerable IP addresses and therefore NAT is required to connect those networks to the Internet.
		Private IP addresses also provide a basic form of security as in a typical network configuation of this type it is not possible for the outside world (Internet) to establish a connection directly to a host using these addresses.
	www.ebroadcast.com.au /lookup/encyclopedia/rf/RFC_1918.html (127 words)

	[No title]
		Addresses within this private address space will only be unique within the enterprise, or the set of enterprises which choose to cooperate over this space so they may communicate with each other in their own private internet.
		Once one commits to using a private address, one is committing to renumber part or all of an enterprise, should one decide to provide IP connectivity between that part (or all of the enterprise) and the Internet.
		If an enterprise uses the private address space, or a mix of private and public address spaces, then DNS clients outside of the enterprise should not see addresses in the private address space used by the enterprise, since these addresses would be ambiguous.
	www.ietf.org /rfc/rfc1918.txt (2569 words)

	Private network - Wikipedia, the free encyclopedia
		Private networks are becoming quite common in office local area network (LAN) designs, as many organizations do not see a need for globally unique IP addresses for every computer, printer and other device that the organizations use.
		Another reason for the extensive use of private IP addresses is the shortage of publicly registerable IP addresses.
		Link-local addresses have even more restrictive rules than the private network addresses defined in RFC 1918: packets to or from link-local addresses must not be allowed to pass through a router at all (RFC 3927, section 7).
	en.wikipedia.org /wiki/Private_IP_address (545 words)

	Glossary of Network Security Terms \| WatchGuard Technologies, Inc.
		A private network address is an IP address range that is used only within the confines of a single organization.
		Private addresses are used for traffic from one location to another within a clearly defined network and at no time are meant to extend beyond the perimeter, or firewall, of the organization.
		Private network address ranges are defined by the IANA and RFC 1918 as being 10.0.0.0/8, 172.16.0.0/12, and 192.168.0.0/16.
	www.watchguard.com /glossary/p.asp (2045 words)

	All you need to know about IP address - page 2
		Private IP address is also known as internal or LAN IP address, while public IP address is external or WAN IP address.
		IP addresses are used by devices called routers on the Internet to forward messages from one computer to another over the Internet.
		That's because IP addresses in bulk are allocated to regions and countries around the world by the IANA in a delegated manner through several Regional Internet Registries.
	www.conniq.com /IP_address_02.htm (566 words)

	Network Address Transalation
		The external IP address and port are the publ
		The NAT replaces the external IP address and external port in the destination fields of the packet with the client’s private IP address and internal port.
		This occurs because the embedded IP address is non-routable.
	fog.ccsf.cc.ca.us /~kmauzey/cnit240/nat.html (2048 words)

	Private IP Addresses
		Before going into the details, if you are just looking for IP addresses for a small private network, either not connected to the Internet or connected to the Internet through a router with NAT (Network Address Translation), first try to set your IP address and DNS settings to automatic on all computers.
		These addresses can be used with out fear of duplicating a unique IP address owned by another enterprise.
		This range is not a reserved private IP address space, but is often used as one.
	www.michna.com /kb/IpAddressesPrivate.htm (541 words)

	Public and Private IP Addresses
		Private IP address space is defined in RFC1918: Address Allocation for Private Internets.
		To connect to your friends machine, he is going to have to use NAT to map his private IP address to a public IP address.
		So, your buddy should be able to configure his router to map port 5646 (for example) of his public IP address to one of his private IP addresses.
	www.tech-faq.com /forum/public-private-ip-addresses-187.html (373 words)

	OpenIP:: Open IP Address Information
		The format of an IP address is a 32-bit numeric address written as four numbers separated by periods.
		This means the addresses are available for any use by anyone and therefore the same private IP addresses can be reused.
		Although private(internal) IP addresses are non-routable, services such as GetIP.com are still able to detect and identify them.
	www.openip.org (332 words)

	What are private IP addresses, and what are the reserved ranges? - Knowledge Base
		These addresses are not routable on the public Internet, but are meant for devices that reside behind a router or other Network Address Translation (NAT) device or proxy server.
		Private IP addresses are used either to hide systems from the public Internet or to provide an additional range of addresses to organizations that do not have sufficient public IP addresses to distribute on their network.
		Using a private IP address will make your computer invisible to certain types of network attacks; however, you will not be able to easily establish your computer as a server.
	kb.iu.edu /data/aijr.html (374 words)

	EmergeCore Networks - "IT in a Box"
		Private LAN and Wireless Networks are often configured to use Private IP Address Space.
		This address is part of a network of addresses ranging from 10.9.8.0 to 10.9.8.255, which is part of the Private IP Address Space.
		The Wireless port on the device is set with a default IP address of 10.9.9.1 which is part of the address range 10.9.9.0 to 10.9.9.255; also part of the Private IP Address Space.
	www.emergecore.com /support/glossary/private_IP/index.php (267 words)

	User of RSIP within GPRS Networks
		Hence, the issue of IP address assignment and the impact of private addressing is critical to GPRS networks as well.
		Private addresses are those where the IP address falls in the range: [10.0.0.0 – 10.255.255.255], or [172.16.0.0.
		Private addresses that are assigned by an administrative entity within an administrative domain (AD) have relevance only within the AD, and such addresses must not be visible outside the AD.
	www.isoc.org /inet2001/CD_proceedings/T78/INET-T78-GPRSAddr.htm (1951 words)

	jpsdomain.org: NAT & Private IP Address Ranges
		There are only so many "real" IP addresses, and they are (and have been) perpetually very close to being used up and thus are very difficult to get.
		Private IP Addresses cannot be used to connect directly to the Internet--that is they are non-routable.
		NAT, AKA IP Masquerading, is the process by which a "private," "illegal," and non-routable IP Address is translated into a "legal," routable address.
	www.jpsdomain.org /networking/nat.html (1232 words)

	Blog du Tristank : What's a Private IP Address? (Site not responding. Last check: 2007-10-03)
		Private IP addresses are defined in RFC 1918 (a very readable RFC, for my money, and quite short to boot).
		There's another common group of IP addresses that could be considered private, and they're used by IP autoconfiguration - the 169.254 series of "Link Local" addresses (RFC 3330 mentions them - essentially, what you end up with when a DHCP client cannot find a DHCP server, on Windows OSs since Win98).
		Private IP address ranges belong to nobody (or if you're a crazy liberal type, perhaps "everybody"), so the routing tables on the backbone and ISP routers that work to push all the other real IP addresses around the Net don't know where to push private addresses.
	blogs.technet.com /tristank/archive/2004/11/05/252562.aspx (496 words)

	Broadcast address - Wikipedia, the free encyclopedia
		In computer networking, a broadcast address is an IP address that allows information to be sent to all machines on a given subnet rather than a specific machine.
		Generally, the broadcast address is found by taking the bit complement of the subnet mask and then OR-ing it bitwise with the IP address.
		Example: to broadcast a packet to an entire class B subnet using a private IP address space, the broadcast address would be 172.16.255.255.
	en.wikipedia.org /wiki/Broadcast_address (297 words)

	WinDrivers Computer Tech Support Forums - Question regarding private IP addresses.
		They are class C addresses (192.168.x.x-in this case since it is a small office it is 192.168.1.x where x has some reserved addresses such as for the server and the router).
		NO problem I have seen people with private IP address schemes similiar to this one and the ISP had no problem assigning the Router whatever IP address that was specified.
		He said the reason was because the ISP wanted to keep addressing schemes on all thier clients uniform, therefore if a tech gets a call from an office about a problem they will already know the IP addressing scheme.
	forums.windrivers.com /showthread.php?t=34128 (1340 words)

	IP Address FAQ
		The IP Address is also needed for other internet services, such as Remote Control, Voice over IP (VoIP), setting up firewalls, Geolocation, and most importantly for testing and diagnostic purposes.
		IP addresses are used to transfer information across the internet.
		IP addresses are defined in the TCP/IP protocol family, which is the basic technical foundation of the internet.
	ipinfo.info /html/faq.php (789 words)

	[No title]
		Private IP networks are "organizationally scoped" IP nets, i.e.
		Ranges of private IP space designated as "shared" may be routed between the three groups - i.e.
		In September 2003, a block of private IP space (172.31.0.0/17) was made routable between the UMnet backbone and the UM Dearborn campus (over a direct inter-campus link).
	www.itcom.itd.umich.edu /backbone/umnet/privateIP.html (435 words)

	Private Ip Address - Thailand Forum
		Can anyone out there actually confirm or deny whether or not private IP addresses are compatible with Internet phones and what this means in terms of anyone with TSpeed who wishes to use an Internet phone.
		Think of the address as a street address and the port number is a room number.
		However, because of address translation, nobody outside CAT knows what your street address is. When you send normal TCP traffic, like with your web browser asking for a webpage, there is a return address consisting of your street address and the room number where you'll be waiting for a reply.
	www.thaivisa.com /forum/index.php?showtopic=12883 (2969 words)

	[No title]
		IP tunneling (IP encapsulation) is a technique to encapsulate IP datagram within IP datagrams, which allows datagrams destined for one IP address to be wrapped and redirected to another IP address.
		Below is the testbed view graph for IP tunnel with private IP and public IP.
		Also, IP tunnel on Windows didn't support public IP only configuration, you have to config the machines with private IP as well as public IP.
	cs.uccs.edu /~scold/iptunnel.htm (1703 words)

	Get a Clue: Firewall Breakdown: NAT
		Now run the IPConfig command on your local computer and note the IP address of your computer and the address listed as your computer's gateway (the router's IP address; a gateway is another word for router).
		Your Router has 2 IP addresses, the Public IP address that you found (the IP address assigned to your router on the Internet Side that you got from www.whatismyip.com) and the private IP address on the Private Network Side (that is the Gateway IP address you got with the IPConfig command).
		That means that you must know the Private Network address of your Mail Server and that your mail server is configured with a Static IP address to ensure that it never changes on you unexpectedly.
	www.networkclue.com /routing/Firewalls/nat.aspx (755 words)

	IP Address Space at U.Va.
		Public IP address space can connect to other public addresses anywhere on the Internet.
		Addresses and networks in the U.Va. public address space must be allocated by hostmaster@virginia.edu or by the ITC DHCP servers.
		No private IP address attached to the U.Va. network can be seen or accessed anywhere outside the U.Va. network.
	www.itc.virginia.edu /network/ipspace.html (180 words)

	Tiger Server VPN and IP routing issue?? - The macosxhints Forums
		My last test was to ping the external IP address of the server from a public IP number not on the same subnet and I was not able to ping, thus a VPN connection would not be able to be initiated from a external public IP address.
		But the internal IP address wasn't able to get to anything that was on our satellite office network 10.x.x.x, was only able to get to services on the 192.x.x.x the local office network.
		The point of the default route is for IP addresses that your machine has no way of knowing about--you know about the Class A and Class C office networks and can configure the routing table appropriately for them.
	forums.macosxhints.com /showthread.php?p=316782#post316782 (1764 words)

	EZ Publishing Announces Innovation in Permission-Based Email Marketing Email Deliverability
		A private, whitelisted IP address is crucial to achieving the highest possible email deliverability rates.
		The ISP then blocks all email origination from the IP address until it is removed from the fllist, which can be a difficult and time consuming process.
		With a private IP address, StreamSend's customers do not have to worry about the actions of other customers affecting their email marketing campaigns.
	www.emediawire.com /releases/2006/3/emw353190.htm (528 words)

	Private TCP/IP Networks
		The IP address range beginning "192.168." is traditionally used, and is reserved.
		The cool thing is that multiple Macs, configured this same way, (but with different private IP addresses), connected on an Ethernet LAN will be a part of the same private network, as long as the "Connect Via" field is set to "Ethernet".
		Open the IP Filtering window again, and reset the Port Name to "Ethernet" and the Direction to "Send." This time, the Action is to "Pass" the data, since we need to enable Web access from the proxy server.
	www.maxum.com /WebDoubler/PrivateNets (3986 words)

	Public and private IP addresses
		A public IP address makes your equipment accessible to everyone on the internet and is needed for VoIP or if you want to give others to access to specific equipment on your network.
		A private IP address is for private use within the network and allows many more PCs to be connected.
		If a customer is using a private IP and later wants VOIP they would need to change to a public IP address.
	www.link-sat.net /technical-support-3 (267 words)

	Internal IP address - NAT addresses, Private IP, NATed Addy
		Your external IP address (69.60.120.174) is always exposed to the internet, if it wasn't, you wouldn't be able to visit sites.
		On the other hand, your internal IP address () should be protected and not be obtainable by websites.
		Internal IP This does not necessarily mean your firewall is malfunctioning or improperly configured.
	www.auditmypc.com /internal-ip.html (453 words)

	static IP address, how to set a static IP for your computer (for p2p, web servers, bittorrent, etc) (Site not responding. Last check: 2007-10-03)
		An IP address is like a telephone number that any computer can use to find any other computer in a network.
		That is google's "public" IP (one of them), behind their NAT are probably thousands of sepearate machines, each with different "private" (probably static!) IP's, 192.168.1.1, 192.168.1.2, etc, but we don't see those.), but some IP's do change..
		Fortunately, assigning a static IP is very easy to achieve, and the same principle applies to every computing platform, the only real difference being where to apply the settings.
	corz.org /comms/hardware/router/static.ip.address.php (853 words)

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