TOOLS.PERVII.COM

IPv4/CIDRMax. HostsNetmask
x.x.x.x/321255.255.255.255
x.x.x.x/312255.255.255.254
x.x.x.x/304255.255.255.252
x.x.x.x/298255.255.255.248
x.x.x.x/2816255.255.255.240
x.x.x.x/2732255.255.255.224
x.x.x.x/2664255.255.255.192
x.x.x.x/25128255.255.255.128
x.x.x.x/24256255.255.255.000
x.x.x.x/23512255.255.254.000
x.x.x.x/221024255.255.252.000
x.x.x.x/212048255.255.248.000
x.x.x.x/204096255.255.240.000
x.x.x.x/198192255.255.224.000
x.x.x.x/1816 384255.255.192.000
x.x.x.x/1732 768255.255.128.000
x.x.x.x/1665 536255.255.000.000
x.x.x.x/15131 072255.254.000.000
x.x.x.x/14262 144255.252.000.000
x.x.x.x/13524 288255.248.000.000
x.x.x.x/121 048 576255.240.000.000
x.x.x.x/112 097 152255.224.000.000
x.x.x.x/104 194 304255.192.000.000
x.x.x.x/98 388 608255.128.000.000
x.x.x.x/816 777 216255.000.000.000
x.x.x.x/733 554 432254.000.000.000
x.x.x.x/667 108 864252.000.000.000
x.x.x.x/5134 217 728248.000.000.000
x.x.x.x/4268 435 456240.000.000.000
x.x.x.x/3536 870 912224.000.000.000
x.x.x.x/21 073 741 824192.000.000.000
x.x.x.x/12 147 483 648128.000.000.000
x.x.x.x/04 294 967 296000.000.000.000

IPv4 Range

Example

Start IP address: <= 1.0.1.0
End IP address: <= 1.0.1.255
Example of the result:
1.0.1.0/24
Netmask = 255.255.255.0
Broadcast = 1.0.1.255
Wildcard Mask = 0.0.0.255
Hosts Bits = 8
Max. Hosts = 254 (2^8 - 2)
Host Range = 1.0.1.1 - 1.0.1.254
NETWORK address - Class A
Online PHP functions
Encoding strings
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Encryption
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Length of string
strlen
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Processing strings
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Get all headers
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Converts (IPv4)
ip2long
long2ip
CIDR
IPv4 CIDR calculator
IPv4 CIDR to Host Range
IPv6 CIDR to Host Range
ACL - Access Control List
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