11. IIJ Technical WEEK 2020 maz@iij.ad.jp 11
Region 一人当たりのIPv4アドレス数
Americas 1.83
Caribbean 0.113
Central America 0.199
South America 0.353
Northern America 4.554
Europe 0.994
Northern Europe 1.878
Southern Europe 0.722
Western Europe 1.642
Eastern Europe 0.381
Asia 0.192
Central Asia 0.051
Eastern Asia 0.415
Southern Asia 0.032
South-Eastern Asia 0.121
Western Asia 0.181
Africa 0.087
Eastern Africa 0.057
Middle Africa 0.015
Northern Africa 0.2
Southern Africa 0.423
Western Africa 0.023
Oceania 1.373
Australia and New Zealand 1.907
Melanesia 0.036
Micronesia 0.49
Polynesia 0.183
World 0.551
https://bgp.potaroo.net/iso3166/ as of 2020/11/30
Australia 1.991
New Zealand 1.461
China 0.239
Japan 1.503
Republic of Korea 2.194
Indonesia 0.069
Vietnam 0.165
India 0.03
Pakistan 0.024
Bangladesh 0.011
割り振りIPv4アドレス数 / 人口
# 割り振りIPv6 /64数は世界で175245 / 人口
16. MANRS for Network Operators
? Action 1
? Prevent propagation of incorrect routing information
? Action 2
? Prevent traffic with spoofed source IP addresses
? Action 3
? Facilitate global operational communication and coordination
? Action 4
? Facilitate routing information on a global scale
? IRR
? ROA
IIJ Technical WEEK 2020 maz@iij.ad.jp 16
https://www.manrs.org/isps/