More Related Content Similar to WTM69_do_internet_dream_of_web
Similar to WTM69_do_internet_dream_of_web (20) WTM69_do_internet_dream_of_web32. /22 = 1024
/23 = 512
/24 = 256
/25 = 128
/26 = 64
/27 = 32
/28 = 16
/29 = 8
/30 = 4
/31 = 2
/32 = 1
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35. IP ã¢ãã¬ã¹ã®ç®¡çå£äœ
ARIN - åç±³å°å
APNIC - ã¢ãžã¢ã»å€ªå¹³æŽå°å
LACNIC - ã©ãã³ã¢ã¡ãªã«ã»ã«ãªãæµ·å°
AfriNIC - ã¢ããªã«
RIPE NCC - 欧å·ã»äžå€®ã¢ãžã¢ã»äžæ±
ICANN (IANA) - å
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39. ICANN (IANA)
ARIN APNIC LACNIC AfriNIC RIPE NCC
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71. æ¥æ¬ã®äž»ãª IX
⢠NSPIXP-3 (倧éª) 1997幎âŒ
⢠NSPIXP-6 (IPv6) 1999幎âŒ
⢠T-LEX (Tokyo Lambda Exchange) 2004幎âŒ
⢠JPIX (JaPan Internet eXchange) (æ±äº¬, åå€å±, 倧éª) 1997幎âŒ
⢠JPNAP (Japan Network Access Point) (æ±äº¬, 倧éª) 2001幎âŒ
⢠JPNAP6 (IPv6) (æ±äº¬) 2002幎âŒ
⢠JPNAP Osaka (倧éª) 2002幎âŒ
⢠BBIX (Broadband Internet Exchange) (æ±äº¬, 倧éª, çŠå²¡, ä»å°) 2003幎âŒ
⢠MEX (Media EXchange) 1997幎âŒ
⢠EQUINIX Exchange (æ±äº¬) 2006幎âŒ
⢠JGN (å
šåœ) æ
å ±éä¿¡ç 究æ©æ§ç 究éçºãã¹ãããã 1999幎âŒ
Wikipedia ãã
87. éå»ã¯ hosts ãã¡ã€ã«ã§ç®¡çããŠããŸãã
$ cat /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.1.1 hogehoge
192.168.1.2 printer
192.168.1.3 accesspoint wifi
192.168.1.4 share
92. ã«ãŒã
.jp ã®æš©åšãµãŒãã«ãããŠ
.co.jp ã®æš©åšãµãŒãã«èããŠ
IP ã¯182.22.59.229 ã ã
yahoo.co.jp ã¯
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yahoo.co.jp æš©åšãµãŒã
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93. æäžäœã® root ãµãŒãã¯13ãããªã
é æå IP ã¢ãã¬ã¹ 管çè
A 198.41.0.4 ã¢ã¡ãªã«åè¡åœ VeriSign
B 192.228.79.201 ã¢ã¡ãªã«åè¡åœ åã«ãªãã©ã«ãã¢å€§åŠæ
å ±ç§åŠç 究æ
C 192.33.4.12 ã¢ã¡ãªã«åè¡åœ Cogent Communications
D 199.7.91.13 ã¢ã¡ãªã«åè¡åœ ã¡ãªãŒã©ã³ã倧åŠã«ã¬ããžããŒã¯æ ¡
E 192.203.230.10 ã¢ã¡ãªã«åè¡åœ ã¢ã¡ãªã«èªç©ºå®å®å±
F 192.5.5.241 ã¢ã¡ãªã«åè¡åœ Internet Systems Consortium
G 192.112.36.4 ã¢ã¡ãªã«åè¡åœ ã¢ã¡ãªã«åœé²æ
å ±ã·ã¹ãã å±
H 128.63.2.53 ã¢ã¡ãªã«åè¡åœ ã¢ã¡ãªã«éžè»ç 究æ
I 192.36.148.17 ã¹ãŠã§ãŒãã³ Autonomica
J 192.58.128.30 ã¢ã¡ãªã«åè¡åœ VeriSign
K 193.0.14.129 ãªã©ã³ã RIPE NCC
L 199.7.83.42 ã¢ã¡ãªã«åè¡åœ ICANN
M 202.12.27.33 æ¥æ¬ WIDEãããžã§ã¯ã
96. æ¬æ¥ã®å
容
⢠IP ã¢ãã¬ã¹ã§ãããã¯ãŒã¯ã¯ç¹ãã£ãŠãã
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⢠IP ã¢ãã¬ã¹ã¯ DNS ã«èãããæããŠãããã
⢠ããŒãã§ããã°ã©ã ãç¹å®ã§ãã
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