Subnet details 81.155.0.0/17

Network address 81.155.0.0

Prefix length 17 (255.255.128.0)

Range 81.155.0.0 - 81.155.127.255

Hexadecimal 519b0000

Binary 01010001 10011011 00000000 00000000

Binary subnet mask 11111111 11111111 10000000 00000000

Number of hosts 32,768

Parent subnet 81.155.0.0/16🔍

Previous subnet 81.154.128.0/17🔍

Next subnet 81.155.128.0/17🔍

Subnet tree

Netblock 81.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)

Route 81.128.0.0/11🔍 AS2856 BT-UK-AS BTnet UK Regional network (GB)🔍

Netblock 81.128.0.0/11🔍 UK-BT-20020725 (GB)

Netblock 81.144.0.0/12🔍 BT-INFRA (GB)

Netblock 81.152.0.0/13🔍 BT-CENTRAL-PLUS (GB)