Tom.be

Subnet
Calculator
Merger
Name

Subnet details 217.40.0.0/13

Network address 217.40.0.0
Prefix length 13 (255.248.0.0)
Range 217.40.0.0 - 217.47.255.255
Hexadecimal d9280000
Binary 11011001 00101000 00000000 00000000
Binary subnet mask 11111111 11111000 00000000 00000000
Number of hosts 524,288
Parent subnet 217.32.0.0/12🔍
Previous subnet 217.32.0.0/13🔍
Next subnet 217.48.0.0/13🔍

Subnet tree

Netblock 217.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 217.32.0.0/12🔍 AS2856 BT-UK-AS BTnet UK Regional network (GB)🔍
Netblock 217.32.0.0/12🔍 UK-BT-20000920 (GB)
Netblock 217.40.0.0/13🔍 BT-CENTRAL-PLUS (GB)