Tom.be

Subnet
Calculator
Merger
Name

Subnet details 42.128.0.0/21

Network address 42.128.0.0
Prefix length 21 (255.255.248.0)
Range 42.128.0.0 - 42.128.7.255
Hexadecimal 2a800000
Binary 00101010 10000000 00000000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 42.128.0.0/20🔍
Previous subnet 42.127.248.0/21🔍
Next subnet 42.128.8.0/21🔍

Subnet tree

Netblock 42.0.0.0/8🔍 APNIC-AP (AU)
Route 42.128.0.0/12🔍 AS9394 CTTNET China TieTong Telecommunications Corporation (CN)🔍
Netblock 42.128.0.0/12🔍 NorthStar (CN)