18.0.0.0 is the Network Address in 18.0.0.0/8
CIDR block18.0.0.0/8 !cidr !bgp
Range: Network - Broadcast18.0.0.0 - 18.255.255.255
Netmask255.0.0.0
Number of IP addresses in the block16777216 (1.677722e+07)
Network Address: 18.0.0.0   !ip !rdap !whois !bl !ptr24 !scan !tr !dnstr !g !gsec
Broadcast Address: 18.255.255.255   !ip !rdap !whois !bl !ptr24 !scan !tr !dnstr !g !gsec
!g 18.0.0.0/8
  
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