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IP Classes & Ranges

rename
egill2k1's version from 2017-09-22 21:57

Begins With

Question Answer
Class A1
Class B128
Class C192
Class D224
Class E240
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Range

Question Answer
Class A1 - 126
Class B128 - 191
Class C192 - 223
Class D224 - 239
Class E240 - 254
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Routable IP's

 

IP's that are publically routable are globally managed by ICANN (Internet Corporation for Assigned Names & Numbers)

 

NAT allows for routing of a private IP through translation into a public IP

 

-Public IP's must be purchased

 

-Private IP's can be used by anyone, but are not routable outside your LAN.

 

ClassRoutable Range Default SubNet Mask
Class A10.0.0.0 - 10.255.255.255255.0.0.0
Class B172.16.0.0 - 172.31.255.255255.255.0.0
Class C192.168.0.0 - 192.168.255.255255.255.255.0
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