Tom.be

Subnet
Calculator
Merger
Name

Subnet details 221.128.56.0/21

Network address 221.128.56.0
Prefix length 21 (255.255.248.0)
Range 221.128.56.0 - 221.128.63.255
Hexadecimal dd803800
Binary 11011101 10000000 00111000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 221.128.48.0/20🔍
Previous subnet 221.128.48.0/21🔍
Next subnet 221.128.64.0/21🔍

Subnet tree

Netblock 221.0.0.0/8🔍 APNIC-AP (AU)
Route 221.128.0.0/18🔍 AS4637 ASN-TELSTRA-GLOBAL Telstra Global (HK)🔍
Netblock 221.128.0.0/18🔍 TELSTRAGLOBAL (JP)
Netblock 221.128.32.0/19🔍 TELSTRAGLOBAL (SG)