Private IPv4 Ranges for Reference
- 10.0.0.0 - 10.255.255.255 (10.0.0.0/8) - 16,777,216 addresses
- 172.16.0.0 - 172.31.255.255 (172.16.0.0/12) - 1,048,576 addresses
- 192.168.0.0 - 192.168.255.255 (192.168.0.0/16) - 65,536 addresses
These are RFC 1918 private address spaces for internal networks.