Tom.be

Subnet
Calculator
Merger
Name

Subnet details 217.217.8.0/21

Network address 217.217.8.0
Prefix length 21 (255.255.248.0)
Range 217.217.8.0 - 217.217.15.255
Hexadecimal d9d90800
Binary 11011001 11011001 00001000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 217.217.0.0/20🔍
Previous subnet 217.217.0.0/21🔍
Next subnet 217.217.16.0/21🔍

Subnet tree

Netblock 217.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Netblock 217.216.0.0/15🔍 DE-TERRATRANSIT-20010402 (DE)
Route 217.217.0.0/20🔍 AS13347 MIDWEST CABLE IP BACKBONE Midwest Cable Residential MBS ASN (US)🔍
Netblock 217.217.0.0/20🔍 Frontier-Communications (DE)