Tom.be

Subnet
Calculator
Merger
Name

Subnet details 81.61.0.0/23

Network address 81.61.0.0
Prefix length 23 (255.255.254.0)
Range 81.61.0.0 - 81.61.1.255
Hexadecimal 513d0000
Binary 01010001 00111101 00000000 00000000
Binary subnet mask 11111111 11111111 11111110 00000000
Number of hosts 512
Parent subnet 81.61.0.0/22🔍
Previous subnet 81.60.254.0/23🔍
Next subnet 81.61.2.0/23🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 81.60.0.0/15🔍 AS6739 ONO-AS Cableuropa - ONO (ES)🔍
Netblock 81.60.0.0/15🔍 ES-ONO-20021212 (ES)
Netblock 81.61.0.0/16🔍 ONO (ES)