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Subnet details 223.166.16.0/21

Network address 223.166.16.0
Prefix length 21 (255.255.248.0)
Range 223.166.16.0 - 223.166.23.255
Hexadecimal dfa61000
Binary 11011111 10100110 00010000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 223.166.16.0/20🔍
Previous subnet 223.166.8.0/21🔍
Next subnet 223.166.24.0/21🔍

Subnet tree

Netblock 223.0.0.0/8🔍 APNIC-AP (AU)
Route 223.166.0.0/15🔍 AS17621 CNCGROUP-SH China Unicom Shanghai network (CN)🔍
Netblock 223.166.0.0/15🔍 UNICOM-SH (CN)