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Topic: IP address allocation

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	IP address - Wikipedia, the free encyclopedia
		An IP address can also be thought of as the equivalent of a street address or a phone number (compare: VoIP) for a computer or other network device on the internet.
		An IP address can appear to be shared by multiple client devices either because they are part of a shared hosting web server environment or because a proxy server (e.g.
		IP addresses may either be assigned permanently (for example, to a server which is always found at the same address) or temporarily from a pool of available addresses.
	en.wikipedia.org /wiki/IP_address (897 words)

	. IP address (Site not responding. Last check: 2007-10-30)
		IP addresses are conceptually similar to phone numbers, except they are used in LANs (Local Area Network), WANs (Wide Area Network), or the Internet.
		IP addresses are usually given out through a server service called DHCP or the Dynamic Host Configuration Protocol.
		While a number of measures have been taken to conserve the limited existing IPv4 address space (such as the use of NAT and Private Addressing), the number of 32-bit IP addresses is not sufficient to accommodate the long-term growth of the Internet.
	www.toolhost.com /IP_address.html (1418 words)

	IP address - All About All (Site not responding. Last check: 2007-10-30)
		An IP address (Internet Protocol address) is a unique number, similar in concept to a telephone number, used by network devices (routers, computers, time-servers, FAX machines, some telephones) attached to a network to refer to each other when sending information through a LAN (Local Area Network), WAN (Wide Area Network) or the Internet for example.
		The IP addresses of users browsing the world wide web are used to enable communications with the server of the web site.
		IP addresses are usually given out through a service called DHCP or the Dynamic Host Configuration Protocol.
	www.allaboutall.info /article/IP_address (1207 words)

	RFC 3069 (rfc3069) - VLAN Aggregation for Efficient IP Address Allocation
		The first usable address of the subnet, 1.1.1.1, is assigned to the router and serves as the default gateway IP address for the subnet.
		The first usable address of the subnet, 1.1.1.17, is assigned to the router and serves as the default gateway IP address for the subnet.
		The first usable address of the subnet, 1.1.1.25, is assigned to the router and serves as the default gateway IP address for the subnet.
	www.incywincy.com /default?catid=5801298&cached=www.faqs.org/rfcs/rfc3069.html (1584 words)

	RFC 1918 (rfc1918) - Address Allocation for Private Internets
		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.
		To minimize the risk it is strongly recommended that an organization using private IP addresses choose randomly from the reserved pool of private addresses, when allocating sub-blocks for its internal allocation.
	www.faqs.org /rfcs/rfc1918.html (2790 words)

	IP Address Allocation Policy - Arogo.Net
		Therefore, IP address space is allocated to ISP's using a slow-start model.
		IP address allocations are valid as long as the utilization and other relevant criteria continue to be met, and the yearly fee is submitted.
		Any IP addresses that cannot be verified are viewed as a "convenience" allocation by ARIN and may have a negative impact on our further IP allocations from ARIN.
	www.arogo.net /AUP/arin.asp (575 words)

	RFC1518 An Architecture for IP Address Allocation with CIDR - Digipedia
		IP partitions the routing problem into three parts: - routing exchanges between end systems and routers (ARP), - routing exchanges between routers in the same routing domain (interior routing), and, - routing among routing domains (exterior routing).
		IP Addresses and Routing For the purposes of this paper, an IP prefix is an IP address and some indication of the leftmost contiguous significant bits within this address.
		When determining an administrative policy for IP address assignment, it is important to understand the technical consequences.
	rfc.digipedia.pl /rfc/rfc1518.txt?page=3 (400 words)

	Why IPv6 will not loosen IP address allocation
		This is leading to a worldwide crunch in the availability of addresses, and rationing is in effect, specially in Asia, which came late to the Internet party and has a short allocation (Stanford University has more IPv4 addresses allocated to it than the whole of China).
		Many people make do today with Network Address Translation (NAT), where a box (like a DSL router) allows several machines to share a single global IP address, but this is not an ideal solution, and one that only postpones the inevitable (but not imminent) reckoning.
		One misconception, however, is that that the slow pace of the migration is somehow related to the fact you get your IP addresses from your ISP, and don't "own" them or have the option to port them the way you now can with your fixed or mobile phone numbers.
	www.majid.info /mylos/weblog/2004/06/17-1.html (1157 words)

	RFC 1518 (rfc1518) - An Architecture for IP Address Allocation with CIDR
		The first is the set of administrative requirements for obtaining and allocating IP addresses; the second is the technical aspect of such assignments, having largely to do with routing, both within a routing domain (intra-domain routing) and between routing domains (inter-domain routing).
		Having IP addresses derived from a backbone is inconsistent with the nature of the relationship.
		Note that the relationship between routing and IP addressing described in other sections of this paper is concerned with problems in scaling caused by large, essentially public transit routing domains which interconnect a large number of routing domains.
	www.faqs.org /rfcs/rfc1518.html (9142 words)

	Cisco - Address Allocation for Private Internets
		These hosts can use IP addresses that are unique within their network but may not be unique among outside networks.
		Like hosts in the first category, they can use IP addresses that are unique within their network but not among outside networks.
		The primary disadvantage of using private address space is that you have to renumber your IP addresses if you want to connect to the Internet.
	www.cisco.com /warp/public/701/35.html (1244 words)

	CaveBear Blog: ICANN's Directors Once Again Shirk Their Responsbilities
		IP address allocation policy is the most crucial matter ever to come before ICANN's board.
		IP addresses are the fuel on which the internet runs.
		Any policy regarding IP address allocation, therefore, ought to be made only with the greatest degree of lucidity and with the greatest attention to its technical, economic, and social effects.
	www.cavebear.com /cbblog-archives/000180.html (828 words)

	[No title]
		Hosts within enterprises that use IP can be partitioned into three categories: Category 1: hosts that do not require access to hosts in other enterprises or the Internet at large; hosts within this category may use IP addresses that are unambiguous within an enterprise, but may be ambiguous between enterprises.
		Rekhter, et al Best Current Practice [Page 5] RFC 1918 Address Allocation for Private Internets February 1996 A major drawback to the use of private address space is that it may actually reduce an enterprise's flexibility to access the Internet.
		If such companies prior to the merge maintained their uncoordinated internets using private address space, then if after the merge these private internets would be combined into a single private internet, some addresses within the combined private internet may not be unique.
	www.ietf.org /rfc/rfc1918.txt (2569 words)

	[No title]
		According to the AUNIC database, address space was allocated to you between 1993 and 1997, either by AUNIC or by AARNet (the Australian Academic and Research Network) prior to the establishment of AUNIC.
		On 1 July 2001, IP address records will be removed from the AUNIC database, and replaced with a single referral record pertaining to the entire 203.0/10 address block.
		In February 1997 AUNIC's address allocation operation ceased, and applicants for address space were redirected to their upstream ISP or to the Regional Internet Registry, the Asia Pacific Network Information Centre (APNIC).
	www.apnic.net /db/aunic/aunic-letter.txt (1455 words)

	IP Address Allocation & Registration Policies
		The Fermilab Policy on Computing specifies that IP address allocation, including DHCP service, is a restricted central service that is adminstered by the Data Communications and Networks Group.
		Administration of general facility IP address allocation is based on node registration procedures.
		Static IP address assignments will be issued by the Data Communications group based on the registration information entered by the sysadmin or user in MISCOMP.
	fndcg0.fnal.gov /IP-Address-Allocation.htm (358 words)

	IP Address Allocation by ISPs (Site not responding. Last check: 2007-10-30)
		Blocks of IPs are allocated by IANA (InterNet Assigned Numbers Association), with various blocks being allocated to various regional providers, and it being up to the regional provider as to how the blocks are allocated.
		The bulk of the IPs are allocated for USA; within the USA, IANA will get involved in allocating blocks of IPs, but a /24 is the smallest they will go and they don't even like to do that.
		This is often referred to (somewhat strangely, as the peers obviously still have IP addresses) as "unnumbered mode" or "effectively unnumbered." In other words, there's really no mask on the link.
	www.webservertalk.com /showthread.php?goto=lastpost&threadid=968807 (781 words)

	IP allocation policy in Israel (Site not responding. Last check: 2007-10-30)
		If all address space has been reserved (as stated in #1) and there is a request for more IP addresses, then ISOC-IL will de-reserve address space in order to allocate it to the new ISP.
		Organizations who receive portable IP addresses due to being multihomed, and who cease to be multihomed, must return the portable IP addresses to ISOC-IL and renumber their systems to use IP addresses as assigned by their ISP.
		The one exception is an organization that has received at least a /22 or larger allocation of IP address space, in which case the block of addresses will be marked as private and portable.
	www.isoc.org.il /ipolicy.html (983 words)

	RFC 3069 - VLAN Aggregation for Efficient IP Address Allocation. D. McPherson, B. Dykes.
		RFC 3069 VLAN Aggregation for IP Address Allocation February 2001 Essentially, what occurs is that each sub-VLAN (customer) remains within a separate broadcast domain.
		RFC 3069 VLAN Aggregation for IP Address Allocation February 2001 Now, if customer A only grows to use 3 of his available addresses, the additional IP addresses can be used for other customers.
		RFC 3069 VLAN Aggregation for IP Address Allocation February 2001 or ARP packets on a sub-VLAN with a source IP address that isn't allocated to the sub-VLAN should be discarded, and perhaps trigger a logging message or other administrative event.
	rfc.sunsite.dk /rfc/rfc3069.html (1585 words)

	NASK SENSE OF TELECOMMUNICATIONS - IP address allocation
		All information is registered at RIPE, which coordinates IP address allocation across Europe.
		The IP allocation documents are the equivalents of original RIPE documents, adapted by the NASK IP Registry: ripe-137
		For information about the IP address allocation terms and procedures please refer to the RIPE ripe-288 document.
	www.nask.pl /run/n/IPaddLOC (207 words)

	Re: IP address allocation (Site not responding. Last check: 2007-10-30)
		IP Allocation has nothing to do with which IPs are being used.
		IPs into the whois databases at RIPE will get my details back.
		that IP address being used or not (although it would be a bit silly to
	www.maillist-archive.de /security-basics/9461-Re__IP_address_allocation_.php (336 words)

	The Top arin reverse address Resource Site
		This means that the IP address block of 68.0.0.0 - 68.255.255.255 was allocated to ARIN in June 2001.
		IP Address: 255.255.255.255 Host_Name: no reverse DNS for this IP Using the ARIN lookup: Search results for: 255.255.255.255...
		Any resemblance to domain names or IP addresses on the Internet are purely unintentional.
	www.ezsecond.com /arin-reverse-address.html (320 words)

	Dynamic ip address, dynamic data, dynamic forms (Site not responding. Last check: 2007-10-30)
		Dynamic ip address Configuring Dynamic IP Addressing, dynamic data, dynamic forms..
		IP addresses are now dynamically assigned through the DHCP service, dynamic ip address.
		The IP address assigned to your service by your cable or DSL Internet provider is typically dynamic.
	www.musicalperformer.com /dynamic/dynamic_ip_address.html (342 words)

	[No title]
		Class-C, with a maximum of 254 host addresses, is too small, while class-B, which allows up to 65534 addresses, is too large to be densely populated.
		It does not attempt to solve the third problem, which is of a more long-term nature, but instead endeavors to ease enough of the short to mid-term difficulties to allow the Internet to continue to function efficiently while progress is made on a longer- term solution.
		In addition to these two documents, "Guidelines for Management of IP Address Space" [4] provides specific recommendations for assigning IP addresses that are consistent with [2] and [3], and "Status of CIDR Deployment in the Internet" [5] describes the timetable for deploying [4] in the Internet.
	www.ietf.org /rfc/rfc1517.txt (903 words)

	Cygsoft Redefines IP Address Management With Introduction of ManageIP - a robust, fully LDAP-enabled, Web-accessible ...
		At many companies, the IP network infrastructure is so complex and fragile that introducing new services has become nearly impossible, limiting new revenue opportunities for service providers and new productivity gains for enterprises.
		With more robust and reliable IP network and better utilization of IT staff, enterprises can introduce new productivity applications for their workforce, while service providers can develop new revenue-generating services for subscribers.
		Unlike other IP address management solutions, Cygsoft charges customers for only the actual number of IP addresses in use and not for all IP addresses available in their allotted range.
	www.prweb.com /releases/2002/12/prweb52017.php (1047 words)

	Asosiasi Penyelenggara Jasa Internet Indonesia (Site not responding. Last check: 2007-10-30)
		Having used the IP from an Upstream Provider as much as /23 or the equivalent of 2 blocks class C or is able to show the necessity of an IP as much as /23 at the Initial condition.
		Your ISP will need an IP as much as /22 or the equivalent of 4 IP blocks within a year, which is proved in the IP-Request Form / Network-Plan.
		Showing the commitment to immediately do the Renumbering from the IP Address assigned by the Upstream Provider to the new IP Address allocated by APNIC after the IP is approved by APNIC.
	www.apjii.or.id /layanan/ip_address.php?lang=eng (249 words)

	Citations: An Architecture for IP Address Allocation with CIDR RFC 1518 - Rechter, Li (ResearchIndex)
		An Architecture for IP Address Allocation with CIDR RFC 1518.
		Y.Rechter and T.Li, An Architecture for IP Address Allocation with CIDR RFC 1518.
		now allocates larger organizations multiple contiguous Class C addresses that can be aggregated by a common prefix.
	citeseer.ist.psu.edu /context/574198/0 (421 words)

	Guidelines for Enterprise IP Multicast Address Allocation, from Cisco Systems - Business White Papers, Webcasts and ...
		Without a correctly planned and scoped IP multicast addressing scheme, customers will face more complex configurations, which significantly decrease the control of IP multicast over the network and increase administration and support overhead.
		The objective of this paper is to provide Cisco Systems customers with several methodologies of allocating IP multicast group addresses.
		It is assumed the reader is familiar with IP multicast terminology.
	www.techguide.com /abstract.aspx?scid=62&docid=99764 (409 words)

	Re: IP address allocation
		I would imagine if they sold you a block of ip addresses, they have a script that'll generate all the dns entries for them and someone just screwed up or they don't know that you're not using those ip addresses.
		I do know a bunch of places that do still have dns entries for unused ip addresses they own, but simply to make their life easier and for descriptive purposes (like to associate the ip with a company or a location b/c they're too lazy to go look it up in their paper records).
		Is it common practice for ISPs to allocate a block of > addresses to a customer and put in DNS records for ones that are > unused?
	lists.virus.org /security-basics-0307/msg01078.html (358 words)

	IP Address Allocation
		Posted: Tue Jan 11, 2005 1:08 pm Post subject: IP Address Allocation
		a range of addresses that the individual computers use.
		IP address range we have for our other system?
	www.howtofixcomputers.com /bb/sutra371932.html (399 words)

	IP Address Allocation
		I'm overseeing the installation of a new phone system, and the people putting it in have asked me to allocate IP addresses for the main office and each of the remote locations.
		We have a seperate network in place for the computers, and I have 2 types of IP addreses for these - the one the router/firewall uses, and a range of addresses that the individual computers use.
		My understanding would be that as this is a new network being installed (the phone system will be running over newly installed leased lines), and has nothing to do with our current IT infrastructure, we would ideally get a new allocation of IP addresses from the service provider.
	hardware.mcse.ms /showthread.php?goto=lastpost&threadid=131865 (624 words)

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