Network: 12.0.15.128/28
Addresses: 16 (2⁴)
First IP: 12.0.15.128 (128.15.0.12.in-addr.arpa)
Last IP: 12.0.15.143 (143.15.0.12.in-addr.arpa)

/8 Operated By: AT&T Bell Laboratories

• 12.0.0.0/8
• 11.0.0.0/8
• 13.0.0.0/8
• 12.0.15.128/27
• 12.0.15.128/32
• 12.0.15.143/32

• 0.0.0.0/0
• 1.0.0.0/8
• 127.0.0.1
• 30.0.0.0/8
• 192.168.0.0/16