MAC address :physical address 물리 주소
- Domain name : naver.com(알파벳)
↓DNS- IP address :192.168.10.100 (10진수 숫자)
↓ARP- MAC address : 00:00:00:00:00:00 (16진수 숫자)
↓
IP address
-Public IP Address
-Private IP Address
A Class 0~126(127) 10.0.0.0~10.255.255.255
Public IP Address B Class 128~191 172.16.0.0~172.31.255.255
| left | center | right | |
|---|---|---|---|
| A Class | 0~126(127) | 10.0.0.0~10.255.255.255 | |
| Public IP Address | B Class | 128~191 | 172.16.0.0~172.31.255.255 |
| C Class | 192~223 | 192.168.0.0~192.168.255.255 | |
| Multicast | D Class | 224~239 | -> Subnet Mask |
| Test | E Class | 240~155 |
Subnetting
