Tom.be

Subnet
Calculator
Merger
Name

Subnet details 145.30.56.0/21

Network address 145.30.56.0
Prefix length 21 (255.255.248.0)
Range 145.30.56.0 - 145.30.63.255
Hexadecimal 911e3800
Binary 10010001 00011110 00111000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 145.30.48.0/20🔍
Previous subnet 145.30.48.0/21🔍
Next subnet 145.30.64.0/21🔍

Subnet tree

Netblock 128.0.0.0/2🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 128.0.0.0/3🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 144.0.0.0/5🔍 NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK (EU # Country is really world wide)
Netblock 145.0.0.0/8🔍 ERX-NETBLOCK (AU)
Netblock 145.0.0.0/11🔍 SURFNET-EARLY-REGISTRATIONS (NL)
Netblock 145.16.0.0/12🔍 SURFNET-EARLY-REGISTRATIONS (NL)
Netblock 145.28.0.0/14🔍 SURFNET-EARLY-REGISTRATIONS (NL)
Netblock 145.30.0.0/16🔍 SHELL-NET-145-30 (NL)