Tom.be

Subnet
Calculator
Merger
Name

Subnet details 66.80.16.0/21

Network address 66.80.16.0
Prefix length 21 (255.255.248.0)
Range 66.80.16.0 - 66.80.23.255
Hexadecimal 42501000
Binary 01000010 01010000 00010000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 66.80.16.0/20🔍
Previous subnet 66.80.8.0/21🔍
Next subnet 66.80.24.0/21🔍

Subnet tree

Netblock 66.0.0.0/8🔍 ARIN-CIDR-BLOCK (AU)
Route 66.80.0.0/16🔍 AS3257 GTT-BACKBONE GTT (US)🔍