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Subnet details 81.31.152.0/21

Network address 81.31.152.0
Prefix length 21 (255.255.248.0)
Range 81.31.152.0 - 81.31.159.255
Hexadecimal 511f9800
Binary 01010001 00011111 10011000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 81.31.144.0/20🔍
Previous subnet 81.31.144.0/21🔍
Next subnet 81.31.160.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.31.144.0/20🔍 AS47242 HOST-SPA (IT)🔍
Netblock 81.31.144.0/20🔍 IT-COLTENGINE-20060411 (IT)