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Subnet details 81.61.21.128/25

Network address 81.61.21.128
Prefix length 25 (255.255.255.128)
Range 81.61.21.128 - 81.61.21.255
Hexadecimal 513d1580
Binary 01010001 00111101 00010101 10000000
Binary subnet mask 11111111 11111111 11111111 10000000
Number of hosts 128
Parent subnet 81.61.21.0/24🔍
Previous subnet 81.61.21.0/25🔍
Next subnet 81.61.22.0/25🔍

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 81.61.16.0/20🔍 AS12357 COMUNITEL SPAIN (ES)🔍