Subnet details 123.255.80.0/21

Network address 123.255.80.0
Prefix length 21 (255.255.248.0)
Range 123.255.80.0 - 123.255.87.255
Hexadecimal 7bff5000
Binary 01111011 11111111 01010000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 123.255.80.0/20🔍
Previous subnet 123.255.72.0/21🔍
Next subnet 123.255.88.0/21🔍

Subnet tree

Netblock 122.0.0.0/7🔍 APNIC-AP (AU)
Netblock 123.255.64.0/19🔍 CUHKNET (HK)
Route 123.255.80.0/21🔍 AS3661 ERX-CUHKNET The Chinese University of Hong Kong (HK)🔍