Tools – Wildcard Calculator

IP: 84.162.91.217 Wildcard Mask:180.240.219.68
[WildCard calculations for Cisco Devices, support for others to be added.]
Octet 1
Octet 2
Octet 3
Octet 4
IP 84.162.91.217
01010100
 .
10100010
 .
01011011
 .
11011001
Wildcard Mask 180.240.219.68
10110100
 .
11110000
 .
11011011
 .
01000100
Bit Pattern ?1??0?00 . ????0010 . ??0??0?? . 1?011?01
Networks Matched in [brackets]
(examples)
[64]
[68]
[80]
[84]
[96]
[100]
[112]
[116]
[192]
[196]
[208]
[212]
[224]
[228]
[240]
[244]
 .
[2]
[18]
[34]
[50]
[66]
[82]
[98]
[114]
[130]
[146]
[162]
[178]
[194]
[210]
[226]
[242]
 .
[0 - 3]
[8 - 11]
[16 - 19]
[24 - 27]
[64 - 67]
[72 - 75]
[80 - 83]
[88 - 91]
[128 - 131]
[136 - 139]
[144 - 147]
[152 - 155]
[192 - 195]
[200 - 203]
[208 - 211]
[216 - 219]
 .
[153]
[157]
[217]
[221]
Entry for Cisco Standard access-list:
ip access-list standard IPV4.AS
permit 64.2.0.153 180.240.219.68
Result Breakdown:
IP & WildCard Octet 1
[84.162.91.217 with WildCard mask 180.240.219.68]
Octet bits value/pos 128
bit 8		 64
bit 7		 32
bit 6		 16
bit 5		 8
bit 4		 4
bit 3		 2
bit 2		 1
bit 1
IP: 84 0 1 0 1 0 1 0 0
WC:(?) 180 1 0 1 1 0 1 0 0
= = = = = = = =
Bit pattern:(?) 0 or 1 1 0 or 1 0 or 1 0 0 or 1 0 0
IP & WildCard Octet 2
[84.162.91.217 with WildCard mask 180.240.219.68]
Octet bits value/pos 128
bit 8		 64
bit 7		 32
bit 6		 16
bit 5		 8
bit 4		 4
bit 3		 2
bit 2		 1
bit 1
IP: 162 1 0 1 0 0 0 1 0
WC:(?) 240 1 1 1 1 0 0 0 0
= = = = = = = =
Bit pattern:(?) 0 or 1 0 or 1 0 or 1 0 or 1 0 0 1 0
IP & WildCard Octet 3
[84.162.91.217 with WildCard mask 180.240.219.68]
Octet bits value/pos 128
bit 8		 64
bit 7		 32
bit 6		 16
bit 5		 8
bit 4		 4
bit 3		 2
bit 2		 1
bit 1
IP: 91 0 1 0 1 1 0 1 1
WC:(?) 219 1 1 0 1 1 0 1 1
= = = = = = = =
Bit pattern:(?) 0 or 1 0 or 1 0 0 or 1 0 or 1 0 0 or 1 0 or 1
IP & WildCard Octet 4
[84.162.91.217 with WildCard mask 180.240.219.68]
Octet bits value/pos: 128
bit 8		 64
bit 7		 32
bit 6		 16
bit 5		 8
bit 4		 4
bit 3		 2
bit 2		 1
bit 1
IP: 217 1 1 0 1 1 0 0 1
WC:(?) 68 0 1 0 0 0 1 0 0
= = = = = = = =
Bit pattern:(?) 1 0 or 1 0 1 1 0 or 1 0 1
Use the calculators at your own risk.
version:
V0.4

4 thoughts on “Tools – Wildcard Calculator”

  1. Hey, I hope someone will find this Calculator useful, it was mostly aimed at wildcard masks for Cisco equipment. I will make a setting to change it to work for Juniper devices as well.
    Any suggestions & Feedback will be more than welcome.

    Reply

  2. Excellent tool, thank you very much! Please keep this active as its very useful, you must get loads of hits as not many sites do proper wild card calculations. This works perfectly!

    Reply

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