What does 24 mean at end of IP?

Related questions

1. Is IPv4 the same as IP address?
2. Does IP address keep changing?
3. What does IP 0.0 0.0 mean?
4. What is WAN name?
5. What is IP URL?
6. What is LAN and WAN?
7. Is IPv6 faster than IPv4?
8. How is a WAN created?
9. What are the limitations of IPv4?
10. What is the purpose of IPv4?

Tags

1. #containing
2. #associated
3. #contiguous
4. #network
5. #right
6. #number
7. #address
8. #slash
9. #decimal
10. #format
11. #dotted
12. #netmask
13. #subnetmask