64.4.0.0 is the Network Address in 64.4.0.0/18
CIDR block64.4.0.0/18 !cidr !bgp
Valid CIDR block64.4.0.0/18
Range: Network - Broadcast64.4.0.0 - 64.4.63.255
Netmask255.255.192.0
Number of IP addresses in the block16384
Network Address: 64.4.0.0   !ip !rdap !whois !bl !ptr24 !scan !tr !dnstr !g !gsec
Broadcast Address: 64.4.63.255   !ip !rdap !whois !bl !ptr24 !scan !tr !dnstr !g !gsec
!g 64.4.0.0/18
  
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