Tom.be

Subnet
Calculator
Merger
Name

Subnet details 81.21.186.0/23

Network address 81.21.186.0
Prefix length 23 (255.255.254.0)
Range 81.21.186.0 - 81.21.187.255
Hexadecimal 5115ba00
Binary 01010001 00010101 10111010 00000000
Binary subnet mask 11111111 11111111 11111110 00000000
Number of hosts 512
Parent subnet 81.21.184.0/22🔍
Previous subnet 81.21.184.0/23🔍
Next subnet 81.21.188.0/23🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.21.176.0/20🔍 AS39244 Teqnobase-AS (NL)🔍
Netblock 81.21.176.0/20🔍 NL-TEQNOBASE-20060117 (NL)