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Subnet details 81.58.40.0/21

Network address 81.58.40.0
Prefix length 21 (255.255.248.0)
Range 81.58.40.0 - 81.58.47.255
Hexadecimal 513a2800
Binary 01010001 00111010 00101000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 81.58.32.0/20🔍
Previous subnet 81.58.32.0/21🔍
Next subnet 81.58.48.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.58.0.0/15🔍 AS13127 Odido AS for the Odido IP Transport backbone (NL)🔍
Netblock 81.58.0.0/15🔍 NL-ODIDO-20021128 (NL)