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Archive for May, 2006

rfc1918 IP Space and Netmask Cheat Sheet

Posted by Administrator on May 10th, 2006

rfc1918 IP Address Space

Block Size IP Range # IP Addresses Blocks Network
24-bit block 10.0.0.0 – 10.255.255.255 16,777,215 single class A

Looking for a hidden 1-800 number?

Posted by penrod on May 6th, 2006

Lots of places hide their 1-800 number from you. Why? Because it costs them money to have you talk to an operator. Best to keep it hidden from you and make you go through a night mare of online support.…