Tom.be

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Subnet details 81.172.40.0/23

Network address 81.172.40.0
Prefix length 23 (255.255.254.0)
Range 81.172.40.0 - 81.172.41.255
Hexadecimal 51ac2800
Binary 01010001 10101100 00101000 00000000
Binary subnet mask 11111111 11111111 11111110 00000000
Number of hosts 512
Parent subnet 81.172.40.0/22🔍
Previous subnet 81.172.38.0/23🔍
Next subnet 81.172.42.0/23🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Netblock 81.172.0.0/18🔍 ES-ONO-20030114 (ES)
Netblock 81.172.40.0/22🔍 ES-FIBERGREEN-20030114 (ES)
Netblock 81.172.40.0/23🔍 fibergreen81-172-40-1 (ES)