Tom.be

Subnet
Calculator
Merger
Name

Subnet details 217.31.16.0/21

Network address 217.31.16.0
Prefix length 21 (255.255.248.0)
Range 217.31.16.0 - 217.31.23.255
Hexadecimal d91f1000
Binary 11011001 00011111 00010000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 217.31.16.0/20🔍
Previous subnet 217.31.8.0/21🔍
Next subnet 217.31.24.0/21🔍

Subnet tree

Netblock 217.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Route 217.31.16.0/20🔍 AS29341 WELDE-AS (DE)🔍
Netblock 217.31.16.0/20🔍 DE-WEL-20030605 (DE)