Tom.be

Subnet
Calculator
Merger
Name

Subnet details 221.239.12.0/22

Network address 221.239.12.0
Prefix length 22 (255.255.252.0)
Range 221.239.12.0 - 221.239.15.255
Hexadecimal ddef0c00
Binary 11011101 11101111 00001100 00000000
Binary subnet mask 11111111 11111111 11111100 00000000
Number of hosts 1,024
Parent subnet 221.239.8.0/21🔍
Previous subnet 221.239.8.0/22🔍
Next subnet 221.239.16.0/22🔍

Subnet tree

Netblock 221.0.0.0/8🔍 APNIC-AP (AU)
Route 221.239.0.0/17🔍 AS17638 CHINATELECOM-TJ-AS-AP ASN for TIANJIN Provincial Net of CT (CN)🔍
Netblock 221.239.12.0/22🔍 TIANJIN-ZHENGLIAN-LTD (CN)