中国斜学我术大学 信息网给与协议 UKIVERIITY OF SCIENCE AND TECHNOLOOY OF CHINA 解决方法一CIDR 对于CIDR Block,前缀越短，blocki越大，该block包含 的地址数量越多 CIDR Block分配 IANA(Internet Assigned Numbers Authority)-->(202.0.0.0/8 APNIC) RIEntermets6erme贴Be8tb-二 (202.38.64.0/19USTc-CN) (202.38.75.11/32INF0NET) Subscribers ARIN RIPE NCC AfriNIC APNIC LACNIC Note:Using Whois service to find address usage at RIRs websit信息网络与协议 解决方法—CIDR 对于CIDR Block，前缀越短，block越大，该block包含 的地址数量越多 CIDR Block分配 IANA(Internet Assigned Numbers Authority)--〉(202.0.0.0/8 APNIC) RIRs(Regional Internet Registries) --〉(202.38.64.0/19 USTC-CN) ISPs(Internet Service Providers) --〉(202.38.75.11/32 INFONET) Subscribers ARIN RIPE NCC AfriNIC APNIC LACNIC Note: Using Whois service to find address usage at RIRs websit