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Boson TCP/IP Cheat subnetting Study Guideby Boson software , LLCAn octet is a binary number of 8 bits, with the lowest possible number being 00000000 and the highest possible number being 11111111, or 28. The binary number 11111111, or 28, converts to 255 in decimal format. Table Address Class SummaryClassNumber of SubnetsNumber of Hosts Per SubnetRange of Network IDs (First Octet)Class A 26 6,777,2 4 26Class B 6,38465,534 28 9 Class C2,097, 52254 92 223The First-Octed Rule: High-Order Bits Determine the Address ClassThe decimal number in the first octet, or the high-order bits, represents the network ID for the address, and that network ID remains the same for all hosts on that network segment. High-order bits, which are also called the most significant bits, are those in the left-most portion of the binary address. The remaining octets act as host IDs.
Boson TCP/IP Cheat Sheet www.boson.com Subnetting Study Guide by Boson Software, LLC An octet is a binary number of 8 bits, with the lowest possible number being …
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