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Subnet details 81.1.16.0/21

Network address 81.1.16.0
Prefix length 21 (255.255.248.0)
Range 81.1.16.0 - 81.1.23.255
Hexadecimal 51011000
Binary 01010001 00000001 00010000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 81.1.16.0/20🔍
Previous subnet 81.1.8.0/21🔍
Next subnet 81.1.24.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.1.0.0/18🔍 AS198949 Radware (IL)🔍
Netblock 81.1.0.0/18🔍 FR-SFR-20011224 (FR)