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Subnet details 221.12.0.0/16

Network address 221.12.0.0
Prefix length 16 (255.255.0.0)
Range 221.12.0.0 - 221.12.255.255
Hexadecimal dd0c0000
Binary 11011101 00001100 00000000 00000000
Binary subnet mask 11111111 11111111 00000000 00000000
Number of hosts 65,536
Parent subnet 221.12.0.0/15🔍
Previous subnet 221.11.0.0/16🔍
Next subnet 221.13.0.0/16🔍

Subnet tree

Netblock 221.0.0.0/8🔍 APNIC-AP (AU)
Netblock 221.12.0.0/15🔍 UNICOM-HA (CN)
Netblock 221.12.0.0/16🔍 UNICOM-ZJ (CN)