【转】Classful IPv4 addressing definition
Classful addressing definition
Class | Leading bits |
Size of network number bit field |
Size of rest bit field |
Number of networks |
Addresses per network |
Total addresses in class |
Start address |
End address |
---|---|---|---|---|---|---|---|---|
Class A | 0 | 8 | 24 | 128 (27) | 16,777,216 (224) | 2,147,483,648 (231) | 0.0.0.0 | 127.255.255.255 |
Class B | 10 | 16 | 16 | 16,384 (214) | 65,536 (216) | 1,073,741,824 (230) | 128.0.0.0 | 191.255.255.255 |
Class C | 110 | 24 | 8 | 2,097,152 (221) | 256 (28) | 536,870,912 (229) | 192.0.0.0 | 223.255.255.255 |
Class D (multicast) | 1110 | not defined | not defined | not defined | not defined | 268,435,456 (228) | 224.0.0.0 | 239.255.255.255 |
Class E (reserved) | 1111 | not defined | not defined | not defined | not defined | 268,435,456 (228) | 240.0.0.0 | 255.255.255.255 |
【转】Classful IPv4 addressing definition的更多相关文章
- [Top-Down Approach] Chatper 4 Notes
4.2 Virtual Circuit and Datagram Networks VC Set up connection Exchange data Free the connection The ...
- Configuring Network Configuration-RHEL7
1.查看网络状态systemctl status NetworkManager You can use the systemctl status NetworkManager command to ...
- libvirtsAPI
mongodb远程服务器连接 mongo -uroot -p321 master.puppet.org:27017/admin
- ARM-linux与Ubuntu开发工具NFS及流程
Linux虚拟机的型号是:Ubuntu 12.04 VMware:workstation 14 pro author: Xianghai Ding Date:2019.01.04 板端:Hi35 ...
- linux进阶之nmtui和nmcli配置网络
CentOS7配置网络推荐使用NetworkManager服务(不推荐network服务). 图形化方式:nmtui或Applications->System Tools->Setting ...
- RFC2474 - Definition of the Differentiated Services Field (DS Field) in the IPv4 and IPv6 Headers的双语版
RFC2474 - Definition of the Differentiated Services Field (DS Field) in the IPv4 and IPv6 Headers英文版 ...
- APIPA(Automatic Private IP Addressing,自动专用IP寻址)
APIPA APIPA(Automatic Private IP Addressing,自动专用IP寻址),是一个DHCP故障转移机制.当DHCP服务器出故障时, APIPA在169.254.0.1到 ...
- linux physical and virtual addressing modes
example 1: 特理地址和虚拟地址一致 Physical addressing mode requires no page tables and the CPU does not attempt ...
- Sequelize-nodejs-3-model definition
Model definition模型定义 To define mappings between a model and a table, use the define method.定义模型和表之间的 ...
随机推荐
- hue中使用oozie的workflow执行mr
workflow创建任务 进入hue–Workflows–编辑器–workflow–创建 拖一个mapreduce作业(在页面靠近顶端有一排选项图标)到页面中间虚线框中 Jar路径必须是hdfs中ja ...
- bzoj3252: 攻略(贪心)
/* 因为权值都是正的, 所以贪心的正确性能保证 然后重链贪心跑一下就好了 */ #include<cstdio> #include<algorithm> #include&l ...
- 使用sqoop从mysql导入数据到hive
目录 前言 一.使用的导入命令 二.遇到的问题及解决 1. 用文本字段进行分区的问题 2. Hadoop历史服务器Hadoop JobHistory没开启的问题 3. 连接元数据存储数据库报错 4 ...
- Angularjs中的Controller
概念:一个应用(APP,本身也是一个大模块)是由若干个模块(module)组成的,每个模块实现一个功能.利于代码的复用. 书写格式: <!DOCTYPE html> <html ng ...
- Java file方法的路径特性
1.在flle方法里,直接写空白的路径,是会默认获取当前Java编译工作空间的路径. 例子如下: package example_1; import java.io.File; import java ...
- glob获取指定目录下的东西+更改工作目录
一:不更改工作目录 import glob path = 'image/imgs/*.jpg' # 正则匹配 指定路径 file_path = glob.glob(path) # 即可获取所有jpg的 ...
- python学习笔记_week4
装饰器: 定义:本质是函数,(装饰其他函数)就是为其他函数添加附加功能 原则:1.不能修改被装饰的函数的源代码 2.不能修改被装饰的函数的调用方式 实现装饰器知识储备: 1.函数即“变量” impor ...
- php-- orther
0.PHP实现物流查询(通过快递网API实现) 1.php7 新特性 2.php的精确计算 3.PHP大小写是否敏感问题的汇总 4.取得类的 对象属性名 和类的属性 和类的方法名 5.php判断 != ...
- springboot 整合 redis 共享Session-spring-session-data-redis
参考:https://www.cnblogs.com/ityouknow/p/5748830.html 如何使用 1.引入 spring-boot-starter-redis <dependen ...
- linux poi生成excel demo调试附调用代码
1.下载poi-3.9-20121203.jar包 2.java code package com.userpackage; import java.io.FileOutputStream; impo ...