Tom.be

Subnet
Calculator
Merger
Name

Subnet details 81.223.0.0/21

Network address 81.223.0.0
Prefix length 21 (255.255.248.0)
Range 81.223.0.0 - 81.223.7.255
Hexadecimal 51df0000
Binary 01010001 11011111 00000000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 81.223.0.0/20🔍
Previous subnet 81.222.248.0/21🔍
Next subnet 81.223.8.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.223.0.0/16🔍 AS8412 TMA Magenta Telekom (AT)🔍
Netblock 81.223.0.0/16🔍 AT-INODE-20021202 (AT)