SUBJECT: C class netmask ¹æ¹ý Description : 203.240.159.XÀ» 8°³ Á¤µµÀÇ networkÀ¸·Î subnetingÇÒ °æ¿ì Âü°í) 16°³´Â 256/16=16 netmask number´Â 240 (256-16) Áï, 255.255.255.240 8°³´Â 256/8=32 netmask number´Â 224 (256-32) Áï, 255.255.255.224 4°³´Â 256/4=64 netmask number´Â 192 (256-64) Áï, 255.255.255.192 2°³´Â 256/2=128 netmask number´Â 128 (256-128) Áï, 255.255.255.128 1°³´Â 256/1=256 netmask number´Â 0 (256-256) Áï, 255.255.255.0 8°³ÀÇ subnetÀÎ °æ¿ì 0 -----------31 32-----------63 64-----------95 96----------127 128---------159 160---------191 192---------223 224---------255 | | loopback NO broadcast NO mymy# ifconfig -a lo0: flags=849mtu 8232 inet 127.0.0.1 netmask ff000000 le0: flags=863 mtu 1500 inet 203.240.159.36 netmask ffffffe0 broadcast 203.240.159.63 | | netmask°¡ 224À̱⶧¹® host NO¿¡ µû¶ó º¯ÇÔ (36Àº 32-63»çÀÌ¿¡ ÀÖÀ½) ÀÛ¼ºÀÏÀÚ : 96.11.10 ÀÛ¼ºÀÚ : ÀÌÁø¼ö