Tom.be

Subnet
Calculator
Merger
Name

Subnet details 81.4.88.0/21

Network address 81.4.88.0
Prefix length 21 (255.255.248.0)
Range 81.4.88.0 - 81.4.95.255
Hexadecimal 51045800
Binary 01010001 00000100 01011000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 81.4.80.0/20🔍
Previous subnet 81.4.80.0/21🔍
Next subnet 81.4.96.0/21🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Netblock 81.4.64.0/18🔍 NL-SIGNET-20020510 (NL)
Route 81.4.88.0/21🔍 AS31586 AS-TBNLTN (NL)🔍