Tom.be

Subnet
Calculator
Merger
Name

Subnet details 111.187.72.0/21

Network address 111.187.72.0
Prefix length 21 (255.255.248.0)
Range 111.187.72.0 - 111.187.79.255
Hexadecimal 6fbb4800
Binary 01101111 10111011 01001000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 111.187.64.0/20🔍
Previous subnet 111.187.64.0/21🔍
Next subnet 111.187.80.0/21🔍

Subnet tree

Netblock 111.0.0.0/8🔍 APNIC-AP (AU)
Route 111.186.0.0/15🔍 AS4538 ERX-CERNET-BKB China Education and Research Network Center (CN)🔍
Netblock 111.186.0.0/15🔍 SHR-CERNET (CN)