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Subnet details 81.181.136.0/21

Network address 81.181.136.0
Prefix length 21 (255.255.248.0)
Range 81.181.136.0 - 81.181.143.255
Hexadecimal 51b58800
Binary 01010001 10110101 10001000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 81.181.128.0/20🔍
Previous subnet 81.181.128.0/21🔍
Next subnet 81.181.144.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Netblock 81.180.0.0/15🔍 RO-RNC-20030204 (RO)
Route 81.181.136.0/21🔍 AS3233 ICI-ROTLD National Institute for Research and Development in Informatics - ICI Bucharest (RO)🔍
Netblock 81.181.136.0/21🔍 ICI-NET-LOCAL (RO)