In April, ARIN, the (North) American Registry for Internet Numbers, announced that it had reached "phase 4" of its IPv4 countdown plan, with fewer than 17 million IPv4 addresses remaining. There is no phase 5. APNIC, the Asia-Pacific registry, reached the 17 million (one "8" or 2^24 IPv4 addresses) threshold three years ago, and the RIPE NCC in Europe less than two years ago. LACNIC, the Latin American and Caribbean registry, reached a similar threshold of a little more than four million remaining IPv4 addresses earlier this week. APNIC and the RIPE NCC will give ISPs and other network operators one last block of 1024 addresses, the rules for LACNIC are similar, and ARIN is tightening the address supply but still allows ISPs to come back for more. Only AfriNIC in Africa is continuing to supply IPv4 addresses as needed to network operators in its service region.