Tom.be

Subnet
Calculator
Merger
Name

Subnet details 87.121.40.0/21

Network address 87.121.40.0
Prefix length 21 (255.255.248.0)
Range 87.121.40.0 - 87.121.47.255
Hexadecimal 57792800
Binary 01010111 01111001 00101000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 87.121.32.0/20🔍
Previous subnet 87.121.32.0/21🔍
Next subnet 87.121.48.0/21🔍

Subnet tree

Netblock 87.0.0.0/8🔍 RIPE-CIDR-BLOCK (AU)
Netblock 87.120.0.0/15🔍 BG-NETERRAIP-20050712 (BG)
Netblock 87.121.0.0/16🔍 BG-NETERRAIP-20050712 (BG)
Netblock 87.121.0.0/17🔍 BG-NETERRAIP-20050712 (BG)
Netblock 87.121.32.0/19🔍 BG-NETERRAIP-20050712 (BG)
Netblock 87.121.40.0/21🔍 BG-NETERRAIP-20050712 (BG)