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Page 1: Internetworking With TCP/IP 1comet.lehman.cuny.edu/sfakhouri/teaching/cmp/cmp405/s20... · 2020-01-30 · 2020-01-30 07:21:12 10/37 Chapter 4.pdf (10/37) Chapter 4 Internetworking

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Chapter 4

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Class A Addresses are used for the handful of networks that have more than 216 (i.e. more than 65,536) hosts.· 7 Bits for netid· 24 Bits for hostid

Class B Addresses are used for intermediate size networks that have up to 216 (i.e. up to 65,536) hosts.· 14 Bits for netid· 16 Bits for hostid

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Class C Addresses are used for networks that have less than 28 (i.e. less than 256) hosts.· 21 Bits for netid· 8 Bits for hostid

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