Tom.be

Subnet
Calculator
Merger
Name

Subnet details 81.61.181.128/25

Network address 81.61.181.128
Prefix length 25 (255.255.255.128)
Range 81.61.181.128 - 81.61.181.255
Hexadecimal 513db580
Binary 01010001 00111101 10110101 10000000
Binary subnet mask 11111111 11111111 11111111 10000000
Number of hosts 128
Parent subnet 81.61.181.0/24🔍
Previous subnet 81.61.181.0/25🔍
Next subnet 81.61.182.0/25🔍

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)
Route 81.61.160.0/19🔍 AS12357 COMUNITEL SPAIN (ES)🔍