IPV4 Addressing Flashcards
What address is 127.0.0.1 ?
Local host. Address of home Computer.
There’s no place like 127.0.0.1
255 in binary
1111 1111
What does APIPA stand for ?
Automatic Private IP Addressing.
Broadcast Address
Used if you want to send a packet to all devices on the network.
The last available IP address within your scope is reserved for this.
How many Network and Host bits in a Class A network.
Network = 8 bits Host = 24 bits
Class A network subnet mask
255.0.0.0
Class A network octet range
1 - 127
1.0.0.0 - 127.0.0.0
Class A network private addresses
10.0.0.0 - 10.255.255.255
How many Network and Host bits in a class B network ?
Network = 16 Host = 16
Class B network subnet mask
255.255.0.0
Class B Octet range
128 - 191
Class B private Addresses
172.16.0.0 - 172.31.0.0
Network and Host bits in a Class C network
Network = 24 Host = 8
Class C Subnet Mask
255.255.255.0
Class C Network octet range
192 - 223
Class C Private Addresses
192.168.0.0 - 192.168.255.254
Class D octet range
224 - 239
Class E octet range
240 - 255
Formula for how many hosts on a network
2 to the power of N-2
2n -2
Formula for how many network addresses in network class
2 to the power of N
2n