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1510 posts

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Topic # 148680 27-Jun-2014 08:19
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Found my internet not working this morning, so I did a DHCP renewal on my router and was given these two addresses within a few seconds of each other. Now these are not the actual network/broadcast addresses (121.99.224.0/23-121.99.225.255; 121.99.254.0/23-121.99.255.255) but I'm pretty sure they're invalid:






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Trusted

  Reply # 1075384 27-Jun-2014 08:29
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There is nothing wrong with those IP Addresses (With those netmasks)  at all and are perfectly 100% right to be used.


jls

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  Reply # 1075387 27-Jun-2014 08:34
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Those IP's should work no problems.

 

ipcalc 121.99.224.1/23
Address: 121.99.224.1 01111001.01100011.1110000 0.00000001
Netmask: 255.255.254.0 = 23 11111111.11111111.1111111 0.00000000
Wildcard: 0.0.1.255 00000000.00000000.0000000 1.11111111
=>
Network: 121.99.224.0/23 01111001.01100011.1110000 0.00000000
HostMin: 121.99.224.1 01111001.01100011.1110000 0.00000001
HostMax: 121.99.225.254 01111001.01100011.1110000 1.11111110
Broadcast: 121.99.225.255 01111001.01100011.1110000 1.11111111

They are in the middle of the /23 subnet

 
 
 
 


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  Reply # 1075390 27-Jun-2014 08:38
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Not sure why they weren't working for me, and what's the changes of getting a .0 followed by a .255 :p
Sequential at least

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