Hexi to Binary
Deci to Binary
Binary to Hexi
Deci to Hexi
CIDR or Subnetting
100

0x7

0111 (or 111)

100

29

11101

100

1010101

101|0101

0x55

100

34

10|0010

0x22

100

What does CIDR stand for?

(pronounced "cider")

Classless Inter-Domain Routing

200

0x5G

Invalid 

Hexi is 16base that is 0-9, A-F (10-15)

200

92

1011100

200

11011111

1101|1111

0xDF

200

43

10|1011

0x2B

200

Convert CIDR /26 to Decimal IP Address

255.255.255.192

300

0xB69

1011|0110|1001

300

209

11010001

300

1011001001

10|1100|1001

0x2C9

300

199

1100|0111

0xC7

300

Convert 255.255.224.0 to CIDR

/19

400

0x249F

0010|0100|1001|1111

400

224

11100000

400

111100100111001

111|1001|0011|1001

0x7939

400

217

1101|1001

0xD9

400

What is the maximum number value in an IPV4 address octet?

255

500

0xD5F98

1101|0101|1111|1001|1000

500

795

1100011011

500

11011110110000100010

1101|1110|1100|0010|0010

0xDEC22

500

261

1|0000|0101

0x105

500

IPV4 addresses were assigned using classful addressing. How many total classes are there?

5

- Class A (0.0.0.0/8 to 127.0.0.0/8)

- Class B (128.0.0.0/16 to 191.255.0.0/16)

- Class C (192.0.0.0/24 to 223.255.255.0/24

- Class D (224.0.0.0 to 239.0.0.0.0)

- Class E (240.0.0.0 to 255.0.0.0)

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