56.56.0.0 is the Network Address in 56.56.0.0/16
CIDR block56.56.0.0/16 !cidr !bgp
Valid CIDR block56.56.0.0/16
Range: Network - Broadcast56.56.0.0 - 56.56.255.255
Netmask255.255.0.0
Number of IP addresses in the block65536
Network Address: 56.56.0.0   !ip !rdap !whois !bl !ptr24 !scan !tr !dnstr !g !gsec
Broadcast Address: 56.56.255.255   !ip !rdap !whois !bl !ptr24 !scan !tr !dnstr !g !gsec
!g 56.56.0.0/16
  
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