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Lower minimum prefix size for APNIC blocks

Lower minimum prefix size for APNIC blocks. APNIC 30 26 August 2010, Gold Coast Elly Tawhai. Prefix sizes currently set. /22 portable allocations made from following blocks 1/8, 14/8, 27/8, 49/8, 58/7, 60/7, 101/8, 110/7, 112/5, 120/6, 124/7, 126/8, 175/8, 180/8, 182/7, 210/7, 219/8, 220/6

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Lower minimum prefix size for APNIC blocks

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  1. Lower minimum prefix size for APNIC blocks APNIC 30 26 August 2010, Gold Coast Elly Tawhai

  2. Prefix sizes currently set • /22 portable allocations made from following blocks • 1/8, 14/8, 27/8, 49/8, 58/7, 60/7, 101/8, 110/7, 112/5, 120/6, 124/7, 126/8, 175/8, 180/8, 182/7, 210/7, 219/8, 220/6 • /24 portable assignments made from following blocks • 202/7, 218/8

  3. Current issues • Following problems arisen due to prefix sizes set on APNIC blocks • IPv4 address transfers • Minimum transfer size /24 • Membership downgrade • Only wish to keep /24 and return rest previously delegated IPv4 address space • Filters • Setting of filter sizes based on prefix size • http://www.apnic.net/db/min-alloc.html

  4. Solution • To rectify this issue • Change prefix size to /24 on all APNIC IPv4 address blocks • Update APNIC website • http://www.apnic.net/db/min-alloc.html • Send announcement after APNIC 30 • To advise network administrators to change routing filters

  5. Thank You! elly@apnic.net

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