๊ณต์ธ, ์‚ฌ์„ค, ๊ณ ์ •, ์œ ๋™ IP ์ฃผ์†Œ๋ž€

2024. 3. 29. 22:50ยท ๐Ÿ’ป Computer Science/Network
๋ชฉ์ฐจ
  1. (1) ๊ณต์ธ IP ์ฃผ์†Œ
  2. (2) ์‚ฌ์„ค IP ์ฃผ์†Œ
  3. (1) ๊ณ ์ • IP ์ฃผ์†Œ
  4. (2) ์œ ๋™ IP ์ฃผ์†Œ

1) ์‚ฌ์šฉ ๋ฒ”์œ„์— ๋”ฐ๋ฅธ ๊ตฌ๋ถ„

  • ์‚ฌ์šฉ ๋ฒ”์œ„์— ๋”ฐ๋ผ ๊ณต์ธ IP ์ฃผ์†Œ์™€ ์‚ฌ์„ค IP ์ฃผ์†Œ๋กœ ๊ตฌ๋ถ„ํ•  ์ˆ˜ ์žˆ๋‹ค.

 

(1) ๊ณต์ธ IP ์ฃผ์†Œ

  • ๊ณต์ธ IP ์ฃผ์†Œ๋Š” ๊ณต์ธ๊ธฐ๊ด€์—์„œ ์ธ์ฆํ•œ ๊ณต๊ฐœํ˜• IP์ฃผ์†Œ์ด๋‹ค.

 

  • ๊ณต์ธ IPv4 ์ฃผ์†Œ๋Š” ์ž„์˜๋กœ ์šฐ๋ฆฌ๊ฐ€ ๋ถ€์—ฌํ•˜๋Š” ๊ฒƒ์ด ์•„๋‹ˆ๋ผ, ์ „์„ธ๊ณ„์ ์œผ๋กœ ICANN์ด๋ผ๋Š” ๊ธฐ๊ด€์ด ๊ตญ๊ฐ€๋ณ„๋กœ ์‚ฌ์šฉํ•  IP ๋Œ€์—ญ์„ ๊ด€๋ฆฌํ•˜๊ณ  ์žˆ๋‹ค.

 

  • ์šฐ๋ฆฌ๋‚˜๋ผ๋Š” ์ธํ„ฐ๋„ท์ง„ํฅ์›(KISA)์—์„œ ์šฐ๋ฆฌ๋‚˜๋ผ ๋‚ด์—์„œ ์‚ฌ์šฉํ•  ์ฃผ์†Œ๋ฅผ ๊ด€๋ฆฌํ•˜๊ณ  ์žˆ์œผ๋ฉฐ, ์ž„์˜๋กœ ์•„๋ฌด IP ์ฃผ์†Œ๋‚˜ ๋‚ด ์ปดํ“จํ„ฐ์— ์ง€์ •ํ•œ๋‹ค๊ณ  ์ธํ„ฐ๋„ท์ด ๋˜๋Š” ๊ฒƒ์ด ์•„๋‹ˆ๋ผ ํ• ๋‹น๋ฐ›์€ ์ฃผ์†Œ๋ฅผ ๋ถ€์—ฌํ•ด์•ผ๋งŒ ์ธํ„ฐ๋„ท์— ์ ‘์†ํ•  ์ˆ˜ ์žˆ๊ฒŒ ๋œ๋‹ค

 

(2) ์‚ฌ์„ค IP ์ฃผ์†Œ

  • ์™ธ๋ถ€์— ๊ณต๊ฐœ๋˜์ง€ ์•Š์€ ํ์‡„ํ˜• IP์ฃผ์†Œ์ด๋‹ค.

 

  • ์ „์ฒด IP ๋Œ€์—ญ ์ค‘์—์„œ ํŠน์ˆ˜ํ•œ ๋ชฉ์ ์œผ๋กœ ์‚ฌ์šฉํ•˜๊ธฐ ์œ„ํ•ด์„œ ๋ช‡ ๊ฐœ์˜ ๋Œ€์—ญ์„ ์ œ์™ธํ•˜๊ณ , ๊ณต์ธ IP ๋Œ€์—ญ์œผ๋กœ ํ• ๋‹นํ•˜๊ณ  ์žˆ๋Š”๋ฐ ์ œ์™ธ๋œ ๋Œ€์—ญ ์ค‘์—์„œ ์‚ฌ์„ค IP๋กœ ์‚ฌ์šฉ๋˜๋Š” ๋Œ€์—ญ์€ ์‚ฌ์šฉ์ž๊ฐ€ ์ž„์˜๋กœ ๋ถ€์—ฌํ•˜๊ณ  ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์ง€๋งŒ ์ธํ„ฐ๋„ท ์ƒ์—์„œ ์„œ๋กœ ์—ฐ๊ฒฐ๋˜์ง€ ์•Š๋„๋ก ๋˜์–ด ์žˆ๋‹ค.

 

  • ๊ณต์ธ IP ์ฃผ์†Œ๊ฐ€ ๋ชจ์ž๋ž„ ๊ฒฝ์šฐ, ๋‚ด๋ถ€ ๋„คํŠธ์›Œํฌ์—๋Š” ์‚ฌ์„ค IP๋กœ ๋ถ€์—ฌํ•˜๊ณ  ์™ธ๋ถ€๋กœ ํ†ตํ•˜๋Š” ๋„คํŠธ์›Œํฌ์— ๊ณต์ธ IP ์ฃผ์†Œ๋ฅผ ๋ถ€์—ฌํ•˜์—ฌ ์ ‘์†ํ•˜๋Š” ๋ฐฉ์‹์ด๋‹ค.

 

  • ๋‹จ, ์‚ฌ์„ค IP๋ฅผ ๋ถ€์—ฌํ•œ ์ปดํ“จํ„ฐ๋Š” ๊ณต์ธ IP์—์„œ ์•Œ์•„๋ณผ ์ˆ˜๊ฐ€ ์—†๋‹ค๋Š” ์ ์ด ํŠน์ง•์ด๋‹ค.

 

  • ์˜ˆ๋ฅผ ๋“ค์–ด, ๊ฐ€์ •์—์„œ ์“ฐ๋Š” ๊ณต์œ ๊ธฐ ํฌํŠธ์— ์—ฐ๊ฒฐ๋œ PC๋‚˜ ๋…ธํŠธ๋ถ์— ์‚ฌ์„ค IP ์ฃผ์†Œ๋ฅผ ๋ถ€์—ฌํ•˜๊ณ  ์™ธ๋ถ€ ๋žœํฌํŠธ์— ์—ฐ๊ฒฐ๋˜๋Š” ์ธํ„ฐํŽ˜์ด์Šค์— ๊ณต์ธ IP ์ฃผ์†Œ๋ฅผ ๋ถ€์—ฌํ•œ๋‹ค.

 

[Note] ์‚ฌ์„ค IP ๋Œ€์—ญ

     
Class Address Range Prefix
A Class 10.0.0.0 ~ 10.255.255.255 10.0.0.0/8
B Class 172.16.0.0 ~ 172.31.255.255 172.16.0.0/12
C Class 192.168.0.0 ~ 192.168.255.255 192.168.0.0/16

2) ํ• ๋‹น ๋ฐฉ์‹์— ๋”ฐ๋ฅธ ๊ตฌ๋ถ„

  • ํ• ๋‹น ๋ฐฉ์‹์— ๋”ฐ๋ผ์„œ ๊ณ ์ • IP ์ฃผ์†Œ์™€ ์œ ๋™ IP ์ฃผ์†Œ๋กœ ๊ตฌ๋ถ„ํ•  ์ˆ˜ ์žˆ๋‹ค.

 

(1) ๊ณ ์ • IP ์ฃผ์†Œ

  • ๊ณ ์ • IP์ฃผ์†Œ๋Š” ์ปดํ“จํ„ฐ์—์„œ ๋ช…์‹œ์ ์œผ๋กœ IP ์ฃผ์†Œ๋ฅผ ์„ค์ •ํ•˜์—ฌ ์‚ฌ์šฉํ•˜๊ฒ ๋‹ค๋Š” ์˜๋ฏธ์ด๋‹ค.

 

(2) ์œ ๋™ IP ์ฃผ์†Œ

  • ์œ ๋™ IP ์ฃผ์†Œ๋Š” IP ์ฃผ์†Œ๋ฅผ ํ• ๋‹นํ•˜๋Š” ํŠน์ • ์„œ๋ฒ„๊ฐ€ ๋ณด๋‚ด์ฃผ๋Š” IP ์ฃผ์†Œ ๊ทธ๋Œ€๋กœ ์ปดํ“จํ„ฐ์— ์ž๋™ ์„ค์ •๋˜๋Š” ๋ฐฉ์‹์ด๊ณ , โ€œDHCP(Dynamic Host ConfigurationProtocol)โ€ ์„œ๋น„์Šค๋ผ ํ•œ๋‹ค.

 

  • ์ปดํ“จํ„ฐ๊ฐ€ ๋ถ€ํŒ…๋˜๋ฉด DHCP ์„œ๋ฒ„์— ๋ธŒ๋กœ๋“œ์บ์ŠคํŠธ๋กœ IP ์ฃผ์†Œ ํ• ๋‹น์„ ์š”์ฒญํ•˜๊ณ , ์ด๋ฅผ ์ˆ˜์‹ ํ•œ DHCP ์„œ๋ฒ„๊ฐ€ ํ•ด๋‹น ์ปดํ“จํ„ฐ์— IP ์ฃผ์†Œ๋“ฑ์˜ ๋„คํŠธ์›Œํฌ ์ •๋ณด๋ฅผ ์ „๋‹ฌํ•˜๋ฉด ์ปดํ“จํ„ฐ์—์„œ๋Š” ์ด๋ฅผ ์ž๋™์œผ๋กœ ๋“ฑ๋ก ๋ฐ ์„ค์ •ํ•˜๊ฒŒ ๋˜๋Š” ๋ฐฉ์‹์ด๋‹ค.

 

[Note] DHCP ๋™์ž‘ ๋ฐฉ์‹

 

[Reference]

  • https://jwprogramming.tistory.com/35
  • https://phoenixnap.com/kb/public-vs-private-ip-address
 

Public vs. Private IP Address: What's the Difference | phoenixNAP KB

This article presents the key differences between a public and private IP address, and answers some FAQ related to the topic.

phoenixnap.com

 

DHCP๋ž€?

DHCP (Dynamic Host Configuration Protocol)- DHCP๋Š” Dynamic Host Configuration Protocol์˜ ์•ฝ์ž์ž…๋‹ˆ๋‹ค. DHCP๋ž€ ํ˜ธ์ŠคํŠธ์˜ IP์ฃผ์†Œ์™€ ๊ฐ์ข… TCP/IP ํ”„๋กœํ† ์ฝœ์˜ ๊ธฐ๋ณธ ์„ค์ •์„ ํด๋ผ์ด์–ธํŠธ์—๊ฒŒ ์ž๋™์ ์œผ๋กœ ์ œ๊ณตํ•ด์ฃผ๋Š” ํ”„๋กœํ† ์ฝœ

jwprogramming.tistory.com

 

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  1. (1) ๊ณต์ธ IP ์ฃผ์†Œ
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  3. (1) ๊ณ ์ • IP ์ฃผ์†Œ
  4. (2) ์œ ๋™ IP ์ฃผ์†Œ
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