RFC 文档RFC 5737 - IPv4 Address Blocks Reserved for Documentation7. IANA 考虑本页总览7. IANA 考虑事项 (IANA Considerations)7. IANA 考虑事项 (IANA Considerations) IANA 已在 IPv4 地址注册表中记录了这三个地址块的分配.不得将这些地址分配给任何最终方.