Date: 10/17/07 (Java Web)    Keywords: no keywords

Network masks is a notation to group IP addresses. Let’s take a familiar analogy. My phone in US was 510-595-3830. 510 was the area code which included a large group of phone numbers in San Francisco-Oakland-Emeryville area. Similarly IP addresses are also grouped by their network prefix. Netmasks are important for allocating sub-networks to individuals [...]

Source: http://blog.taragana.com/index.php/archive/network-masks-netmasks-for-dummies/