Tom.be

Subnet
Calculator
Merger
Name

Subnet details 217.33.144.0/21

Network address 217.33.144.0
Prefix length 21 (255.255.248.0)
Range 217.33.144.0 - 217.33.151.255
Hexadecimal d9219000
Binary 11011001 00100001 10010000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 217.33.144.0/20🔍
Previous subnet 217.33.136.0/21🔍
Next subnet 217.33.152.0/21🔍

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 217.32.0.0/13🔍 BT-INFRA (GB)