Tom.be

Subnet
Calculator
Merger
Name

Subnet details 123.255.96.0/21

Network address 123.255.96.0
Prefix length 21 (255.255.248.0)
Range 123.255.96.0 - 123.255.103.255
Hexadecimal 7bff6000
Binary 01111011 11111111 01100000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 123.255.96.0/20🔍
Previous subnet 123.255.88.0/21🔍
Next subnet 123.255.104.0/21🔍

Subnet tree

Netblock 122.0.0.0/7🔍 APNIC-AP (AU)
Route 123.255.96.0/19🔍 AS4641 HKIX-AS-AP The Hong Kong Internet Exchange Limited (HK)🔍
Netblock 123.255.96.0/19🔍 CUHKNET (HK)