IP. . 510-595-3830. 510 SAN Francisco--Emeryville. IP .

Netmasks . .

(IPv4) IP 4 a.b.c.d. IPv4 IP 32 . netmask IP .

IP 72.31.32.0 - 72.31.32.255. 24 ( 3 ) IP. /24.

Linux netmask . IP IP. /24 255.255.255.0. 255 24 .

netmask IP ( ) netmask. /24 28 -1 (255) . ( ) . 8 24 32.

:

/8 /255.0.0.0 16, 777, 215
/16 /255.255.0.0 65, 535
/17 /255.255.128.0 32, 767 �
/18 /255.255.192.0 16, 383 �
/19 /255.255.224.0 8, 191 �
/20 /255.255.240.0 4, 095 �
/21 /255.255.248.0 2, 047 �
/22 /255.255.252.0 1, 023 �
/23 /255.255.254.0 511 �
/24 /255.255.255.0 255
/25 /255.255.255.128 127 �
/26 /255.255.255.192 63 �
/27 /255.255.255.224 31 �
/28 /255.255.255.240 15 �
/29 /255.255.255.248 7 �
/30 /255.255.255.252 3 �