Tom.be

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Subnet details 81.21.30.0/23

Network address 81.21.30.0
Prefix length 23 (255.255.254.0)
Range 81.21.30.0 - 81.21.31.255
Hexadecimal 51151e00
Binary 01010001 00010101 00011110 00000000
Binary subnet mask 11111111 11111111 11111110 00000000
Number of hosts 512
Parent subnet 81.21.28.0/22🔍
Previous subnet 81.21.28.0/23🔍
Next subnet 81.21.32.0/23🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.21.16.0/20🔍 AS30848 IT-TWT-AS (IT)🔍
Netblock 81.21.16.0/20🔍 IT-TWT-20100610 (IT)