Tom.be

Subnet
Calculator
Merger
Name

Subnet details 217.66.40.0/21

Network address 217.66.40.0
Prefix length 21 (255.255.248.0)
Range 217.66.40.0 - 217.66.47.255
Hexadecimal d9422800
Binary 11011001 01000010 00101000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 217.66.32.0/20🔍
Previous subnet 217.66.32.0/21🔍
Next subnet 217.66.48.0/21🔍

Subnet tree

Netblock 217.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 217.66.32.0/20🔍 AS43623 ARD-STERNPUNKT ARD-Kommunikationsnetze (DE)🔍
Netblock 217.66.32.0/20🔍 SWR-NET (DE)