Tom.be

Subnet
Calculator
Merger
Name

Subnet details 137.133.40.0/21

Network address 137.133.40.0
Prefix length 21 (255.255.248.0)
Range 137.133.40.0 - 137.133.47.255
Hexadecimal 89852800
Binary 10001001 10000101 00101000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 137.133.32.0/20🔍
Previous subnet 137.133.32.0/21🔍
Next subnet 137.133.48.0/21🔍

Subnet tree

Netblock 137.0.0.0/8🔍 ERX-NETBLOCK (AU)
Netblock 137.133.0.0/16🔍 ABB-NO (NO)