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Subnet details 81.61.0.0/17

Network address 81.61.0.0
Prefix length 17 (255.255.128.0)
Range 81.61.0.0 - 81.61.127.255
Hexadecimal 513d0000
Binary 01010001 00111101 00000000 00000000
Binary subnet mask 11111111 11111111 10000000 00000000
Number of hosts 32,768
Parent subnet 81.61.0.0/16🔍
Previous subnet 81.60.128.0/17🔍
Next subnet 81.61.128.0/17🔍

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)