Microsoft spends $7.5m on IP addresses
theregister.co.uk
theregister.co.uk
http://en.wikipedia.org/wiki/IPv4_address_exhaustion#Markets...
"The concept of legal "ownership" of IP addresses as property is explicitly denied by ARIN and RIPE NCC policy documents and by the ARIN Registration Services Agreement. It is not even clear in which country's legal system the lawsuits would be resolved."
I would love to hear the story behind how Apple got the 17.0.0.0 subnet.
The legacy class As were given out by Jon Postel just for asking; if you would ever need more than 256 subnets then a class B wouldn't be big enough so you got a class A.
http://www.iana.org/assignments/ipv4-address-space/ipv4-addr...
Nicely tabulated http://royal.pingdom.com/2008/02/13/where-did-all-the-ip-num...
Edit: I stand corrected; while the root IPv4 namespace has no more available addresses to distribute to the regional registries like ARIN, the regional registries themselves still have some addresses left.
http://www.potaroo.net/tools/ipv4/index.html https://www.arin.net/resources/request/ipv4_depletion.html https://www.arin.net/policy/nrpm.html#four
IPV6 really can't come soon enough.