Address Class Identification Flashcards

Address Class Identification

• Class A address range: 1 to 127
• Class B address range: 128 to 191
• Class C address range: 192 to 223
• Class D address range: 224 to 239 (reserved for multicast)
• Class E address range: 240 to 255 (reserved for experimental and research)

Private Address Ranges

• Class A private address range: 10.0.0.0 to 10.255.255.255
• Class B private address range: 172.16.0.0 to 172.31.255.255
• Class C private address range: 192.168.0.0 to 192.168.255.255

Default Subnet Masks

• Class A default subnet mask: 255.0.0.0
• Class B default subnet mask: 255.255.0.0
• Class C default subnet mask: 255.255.255.0

Sample Addresses for Each Class

• Class A examples: 10.250.1.1, 126.8.156.0, 119.18.45.0, 117.89.56.45
• Class B examples: 150.10.15.0, 148.17.9.1, 177.100.18.4, 158.98.80.0
• Class C examples: 192.14.2.0, 193.42.1.1, 220.200.23.1, 199.155.77.56
• Class D example: 230.230.45.58
• Class E example: 249.240.80.78

Mixed Address Class Examples

• Addresses belonging to Class A: 10.250.1.1, 126.8.156.0, 119.18.45.0
• Addresses belonging to Class B: 150.10.15.0, 148.17.9.1, 177.100.18.4
• Addresses belonging to Class C: 192.14.2.0, 193.42.1.1, 220.200.23.1
• Addresses belonging to Class D: 230.230.45.58
• Addresses belonging to Class E: 249.240.80.78