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Subnet details 137.121.128.0/21

Network address 137.121.128.0
Prefix length 21 (255.255.248.0)
Range 137.121.128.0 - 137.121.135.255
Hexadecimal 89798000
Binary 10001001 01111001 10000000 00000000
Binary subnet mask 11111111 11111111 11111000 00000000
Number of hosts 2,048
Parent subnet 137.121.128.0/20🔍
Previous subnet 137.121.120.0/21🔍
Next subnet 137.121.136.0/21🔍

Subnet tree

Route 137.121.0.0/16🔍 AS2200 FR-RENATER Reseau National de telecommunications pour la Technologie (FR)🔍
Netblock 137.121.0.0/16🔍 FR-IFSTTAR (FR)