Network: 72.128.0.0/21
Addresses: 2048 (2¹¹)
First IP: 72.128.0.0 (0.0.128.72.in-addr.arpa)
Last IP: 72.128.7.255 (255.7.128.72.in-addr.arpa)

/8 Operated By: ARIN

• 72.0.0.0/8
• 71.0.0.0/8
• 73.0.0.0/8
• 72.128.0.0/20
• 72.128.0.0/32
• 72.128.7.255/32

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