Tom.be

Subnet
Calculator
Merger
Name

Subnet details 121.100.72.0/21

Network address 121.100.72.0
Prefix length 21 (255.255.248.0)
Range 121.100.72.0 - 121.100.79.255
Hexadecimal 79644800
Binary 01111001 01100100 01001000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 121.100.64.0/20🔍
Previous subnet 121.100.64.0/21🔍
Next subnet 121.100.80.0/21🔍

Subnet tree

Netblock 121.0.0.0/8🔍 APNIC-AP (AU)
Netblock 121.100.64.0/18🔍 DLIVE (KR)
Route 121.100.72.0/21🔍 AS18334 GCNCATV-AS-KR Gyounggidongbu cable tv co Ltd (KR)🔍