Tom.be

Subnet
Calculator
Merger
Name

Subnet details 221.171.40.0/23

Network address 221.171.40.0
Prefix length 23 (255.255.254.0)
Range 221.171.40.0 - 221.171.41.255
Hexadecimal ddab2800
Binary 11011101 10101011 00101000 00000000
Binary subnet mask 11111111 11111111 11111110 00000000
Number of hosts 512
Parent subnet 221.171.40.0/22🔍
Previous subnet 221.171.38.0/23🔍
Next subnet 221.171.42.0/23🔍

Subnet tree

Netblock 221.0.0.0/8🔍 APNIC-AP (AU)
Netblock 221.170.0.0/15🔍 BIGLOBE (JP)