Tom.be

Subnet
Calculator
Merger
Name

Subnet details 199.21.128.0/18

Network address 199.21.128.0
Prefix length 18 (255.255.192.0)
Range 199.21.128.0 - 199.21.191.255
Hexadecimal c7158000
Binary 11000111 00010101 10000000 00000000
Binary subnet mask 11111111 11111111 11000000 00000000
Number of hosts 16,384
Parent subnet 199.21.128.0/17🔍
Previous subnet 199.21.64.0/18🔍
Next subnet 199.21.192.0/18🔍

Subnet tree

Netblock 192.0.0.0/2🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 192.0.0.0/3🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 192.0.0.0/4🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 198.0.0.0/7🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 199.0.0.0/8🔍 ARIN-CIDR-BLOCK (AU)
Netblock 199.0.0.0/10🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 199.0.0.0/11🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 199.16.0.0/12🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)