Tom.be

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Subnet details 81.0.216.0/21

Network address 81.0.216.0
Prefix length 21 (255.255.248.0)
Range 81.0.216.0 - 81.0.223.255
Hexadecimal 5100d800
Binary 01010001 00000000 11011000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 81.0.208.0/20🔍
Previous subnet 81.0.208.0/21🔍
Next subnet 81.0.224.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Netblock 81.0.192.0/18🔍 CZ-WIA-20011214 (CZ)
Netblock 81.0.192.0/19🔍 CZ-CASABLANCA-20011214 (CZ)
Netblock 81.0.208.0/20🔍 CZ-WIA-20011214 (CZ)
Netblock 81.0.216.0/21🔍 DE-TERRATRANSIT-20011214 (DE)