IPv4

IPv4: Hoarding and Black Markets and Fraud, Oh My!

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Team ARIN has been talking a lot about IPv6, why you need it, how to get it, and how to deploy it — but what about IPv4? Ever wonder what ARIN is doing to protect this rapidly diminishing resource? As IPv4 runout approaches, we figure the likelihood of nefarious behavior will increase, so our community is taking action to use resources judiciously and limit abuses.

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Getting Resources from ARIN

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Getting Internet number resources like IPv4 and IPv6 address space and ASNs is a relatively simple and straightforward process. The official request forms and technical information are on the ARIN website at https://www.arin.net/resources/, but this will give you a brief introduction to how the process works. Step 1: Review the resource requirements in ARIN’s NumberRead More

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IPv4 / IPv6: The Bottom Line

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We started hearing about IPv4 depletion in the mid-1990s, when distribution mechanisms and classful addressing made it a legitimate concern. Then the IETF did three significant things to ensure sustainable growth on the Internet: Classless Inter-Domain Routing (CIDR) – This allowed variable length subnet addressing, moving away from only three standard block sizes and makingRead More

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